109402597 has 4 divisors (see below), whose sum is σ = 110787520. Its totient is φ = 108017676.

The previous prime is 109402543. The next prime is 109402603. The reversal of 109402597 is 795204901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 795204901 = 31 ⋅25651771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109402597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109400597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692343 + ... + 692500.

It is an arithmetic number, because the mean of its divisors is an integer number (27696880).

Almost surely, 2^109402597 is an apocalyptic number.

It is an amenable number.

109402597 is a deficient number, since it is larger than the sum of its proper divisors (1384923).

109402597 is an equidigital number, since it uses as much as digits as its factorization.

109402597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384922.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 109402597 is about 10459.5696374182. The cubic root of 109402597 is about 478.2730141483.

The spelling of 109402597 in words is "one hundred nine million, four hundred two thousand, five hundred ninety-seven".