102597455 has 4 divisors (see below), whose sum is σ = 123116952. Its totient is φ = 82077960.

The previous prime is 102597437. The next prime is 102597461. The reversal of 102597455 is 554795201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554795201 = 29 ⋅19130869.

It is not a de Polignac number, because 102597455 - 2²⁴ = 85820239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10259741 + ... + 10259750.

It is an arithmetic number, because the mean of its divisors is an integer number (30779238).

Almost surely, 2^102597455 is an apocalyptic number.

102597455 is a deficient number, since it is larger than the sum of its proper divisors (20519497).

102597455 is an equidigital number, since it uses as much as digits as its factorization.

102597455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20519496.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 102597455 is about 10129.0401815769. The cubic root of 102597455 is about 468.1433543724.

The spelling of 102597455 in words is "one hundred two million, five hundred ninety-seven thousand, four hundred fifty-five".