1203231057 has 16 divisors (see below), whose sum is σ = 1840269312. Its totient is φ = 685020240.

The previous prime is 1203231047. The next prime is 1203231097. The reversal of 1203231057 is 7501323021.

It is not a de Polignac number, because 1203231057 - 2¹² = 1203226961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1203231037) 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, 100023 + ... + 111404.

It is an arithmetic number, because the mean of its divisors is an integer number (115016832).

Almost surely, 2^1203231057 is an apocalyptic number.

It is an amenable number.

1203231057 is a deficient number, since it is larger than the sum of its proper divisors (637038255).

1203231057 is a wasteful number, since it uses less digits than its factorization.

1203231057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211708.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1203231057 is about 34687.6210916805. The cubic root of 1203231057 is about 1063.6114673437.

Adding to 1203231057 its reverse (7501323021), we get a palindrome (8704554078).

The spelling of 1203231057 in words is "one billion, two hundred three million, two hundred thirty-one thousand, fifty-seven".