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119009381 is a prime number
BaseRepresentation
bin1110001011111…
…11000001100101
322021221022011212
413011333001211
5220431300011
615450441205
72643364061
oct705770145
9267838155
10119009381
11611a5567
1233a33205
131b86b06a
1411b3caa1
15a6ac08b
hex717f065

119009381 has 2 divisors, whose sum is σ = 119009382. Its totient is φ = 119009380.

The previous prime is 119009351. The next prime is 119009389. The reversal of 119009381 is 183900911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65060356 + 53949025 = 8066^2 + 7345^2 .

It is an emirp because it is prime and its reverse (183900911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-119009381 is a prime.

It is a super-2 number, since 2×1190093812 = 28326465532006322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119009389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59504690 + 59504691.

It is an arithmetic number, because the mean of its divisors is an integer number (59504691).

Almost surely, 2119009381 is an apocalyptic number.

It is an amenable number.

119009381 is a deficient number, since it is larger than the sum of its proper divisors (1).

119009381 is an equidigital number, since it uses as much as digits as its factorization.

119009381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 119009381 is about 10909.1420835921. The cubic root of 119009381 is about 491.8813980871.

The spelling of 119009381 in words is "one hundred nineteen million, nine thousand, three hundred eighty-one".