102598831 has 4 divisors (see below), whose sum is σ = 104534712. Its totient is φ = 100662952.

The previous prime is 102598823. The next prime is 102598901. The reversal of 102598831 is 138895201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138895201 = 127 ⋅1093663.

It is a cyclic number.

It is not a de Polignac number, because 102598831 - 2³ = 102598823 is a prime.

It is a super-2 number, since 2×102598831² = 21053040245133122, 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 (102518831) 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, 967861 + ... + 967966.

It is an arithmetic number, because the mean of its divisors is an integer number (26133678).

Almost surely, 2^102598831 is an apocalyptic number.

102598831 is a deficient number, since it is larger than the sum of its proper divisors (1935881).

102598831 is an equidigital number, since it uses as much as digits as its factorization.

102598831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935880.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 102598831 is about 10129.1081048629. The cubic root of 102598831 is about 468.1454472196.

It can be divided in two parts, 1025 and 98831, that added together give a square (99856 = 316²).

The spelling of 102598831 in words is "one hundred two million, five hundred ninety-eight thousand, eight hundred thirty-one".