120432402 has 12 divisors (see below), whose sum is σ = 260936910. Its totient is φ = 40144128.

The previous prime is 120432391. The next prime is 120432409. The reversal of 120432402 is 204234021.

It can be written as a sum of positive squares in only one way, i.e., 64496961 + 55935441 = 8031^2 + 7479^2 .

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: 6690689 = 120432402 / (1 + 2 + 0 + 4 + 3 + 2 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (120432409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3345327 + ... + 3345362.

Almost surely, 2^120432402 is an apocalyptic number.

120432402 is an abundant number, since it is smaller than the sum of its proper divisors (140504508).

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

120432402 is a wasteful number, since it uses less digits than its factorization.

120432402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690697 (or 6690694 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120432402 is about 10974.1697635858. The cubic root of 120432402 is about 493.8341463808.

Adding to 120432402 its reverse (204234021), we get a palindrome (324666423).

The spelling of 120432402 in words is "one hundred twenty million, four hundred thirty-two thousand, four hundred two".