1255132402 has 32 divisors (see below), whose sum is σ = 2038579200. Its totient is φ = 577866960.

The previous prime is 1255132399. The next prime is 1255132409. The reversal of 1255132402 is 2042315521.

It is not an unprimeable number, because it can be changed into a prime (1255132409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281563 + ... + 285985.

It is an arithmetic number, because the mean of its divisors is an integer number (63705600).

Almost surely, 2^1255132402 is an apocalyptic number.

1255132402 is a deficient number, since it is larger than the sum of its proper divisors (783446798).

1255132402 is a wasteful number, since it uses less digits than its factorization.

1255132402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1255132402 is about 35427.8478318963. The cubic root of 1255132402 is about 1078.6896551091.

Adding to 1255132402 its reverse (2042315521), we get a palindrome (3297447923).

The spelling of 1255132402 in words is "one billion, two hundred fifty-five million, one hundred thirty-two thousand, four hundred two".