107499391 has 4 divisors (see below), whose sum is σ = 107524384. Its totient is φ = 107474400.

The previous prime is 107499373. The next prime is 107499407. The reversal of 107499391 is 193994701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 107499391 - 2¹¹ = 107497343 is a prime.

It is a super-2 number, since 2×107499391² = 23112238130741762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107499311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4215 + ... + 15256.

It is an arithmetic number, because the mean of its divisors is an integer number (26881096).

Almost surely, 2^107499391 is an apocalyptic number.

107499391 is a deficient number, since it is larger than the sum of its proper divisors (24993).

107499391 is an equidigital number, since it uses as much as digits as its factorization.

107499391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24992.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 107499391 is about 10368.1913080344. The cubic root of 107499391 is about 475.4833727600.

The spelling of 107499391 in words is "one hundred seven million, four hundred ninety-nine thousand, three hundred ninety-one".