1260156364 has 12 divisors (see below), whose sum is σ = 2205522144. Its totient is φ = 630007184.

The previous prime is 1260156349. The next prime is 1260156367. The reversal of 1260156364 is 4636510621.

It is not an unprimeable number, because it can be changed into a prime (1260156367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61437 + ... + 79339.

It is an arithmetic number, because the mean of its divisors is an integer number (183793512).

Almost surely, 2^1260156364 is an apocalyptic number.

It is an amenable number.

1260156364 is a deficient number, since it is larger than the sum of its proper divisors (945365780).

1260156364 is a wasteful number, since it uses less digits than its factorization.

1260156364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35504 (or 35502 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1260156364 is about 35498.6811586008. The cubic root of 1260156364 is about 1080.1269752402.

Adding to 1260156364 its reverse (4636510621), we get a palindrome (5896666985).

The spelling of 1260156364 in words is "one billion, two hundred sixty million, one hundred fifty-six thousand, three hundred sixty-four".