1172009325 has 24 divisors (see below), whose sum is σ = 2051707968. Its totient is φ = 588302080.

The previous prime is 1172009323. The next prime is 1172009347. The reversal of 1172009325 is 5239002711.

It is not a de Polignac number, because 1172009325 - 2¹ = 1172009323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1172009292 and 1172009301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172009323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458337 + ... + 460886.

It is an arithmetic number, because the mean of its divisors is an integer number (85487832).

Almost surely, 2^1172009325 is an apocalyptic number.

1172009325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1172009325 is a deficient number, since it is larger than the sum of its proper divisors (879698643).

1172009325 is a wasteful number, since it uses less digits than its factorization.

1172009325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919253 (or 919248 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1172009325 is about 34234.6217300557. The cubic root of 1172009325 is about 1054.3311124323.

The spelling of 1172009325 in words is "one billion, one hundred seventy-two million, nine thousand, three hundred twenty-five".