102351402 has 24 divisors (see below), whose sum is σ = 224802084. Its totient is φ = 33649344.

The previous prime is 102351401. The next prime is 102351413. The reversal of 102351402 is 204153201.

It can be written as a sum of positive squares in 2 ways, for example, as 97594641 + 4756761 = 9879^2 + 2181^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102351401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37633 + ... + 40260.

Almost surely, 2^102351402 is an apocalyptic number.

102351402 is an abundant number, since it is smaller than the sum of its proper divisors (122450682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102351402 is a wasteful number, since it uses less digits than its factorization.

102351402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77974 (or 77971 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102351402 is about 10116.8869717913. The cubic root of 102351402 is about 467.7688152495.

It can be divided in two parts, 1023 and 51402, that added together give a palindrome (52425).

The spelling of 102351402 in words is "one hundred two million, three hundred fifty-one thousand, four hundred two".