101532402 has 12 divisors (see below), whose sum is σ = 219986910. Its totient is φ = 33844128.

The previous prime is 101532397. The next prime is 101532413. The reversal of 101532402 is 204235101.

It can be written as a sum of positive squares in only one way, i.e., 51108201 + 50424201 = 7149^2 + 7101^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5640689 = 101532402 / (1 + 0 + 1 + 5 + 3 + 2 + 4 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2820327 + ... + 2820362.

Almost surely, 2^101532402 is an apocalyptic number.

101532402 is an abundant number, since it is smaller than the sum of its proper divisors (118454508).

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

101532402 is a wasteful number, since it uses less digits than its factorization.

101532402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640697 (or 5640694 counting only the distinct ones).

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

The square root of 101532402 is about 10076.3287957470. The cubic root of 101532402 is about 466.5178013837.

Adding to 101532402 its reverse (204235101), we get a palindrome (305767503).

The spelling of 101532402 in words is "one hundred one million, five hundred thirty-two thousand, four hundred two".