1252964386 has 16 divisors (see below), whose sum is σ = 2042184960. Its totient is φ = 574363440.

The previous prime is 1252964381. The next prime is 1252964407. The reversal of 1252964386 is 6834692521.

It is a super-3 number, since 3×1252964386³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252964381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530641 + ... + 532996.

It is an arithmetic number, because the mean of its divisors is an integer number (127636560).

Almost surely, 2^1252964386 is an apocalyptic number.

1252964386 is a deficient number, since it is larger than the sum of its proper divisors (789220574).

1252964386 is a wasteful number, since it uses less digits than its factorization.

1252964386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063689.

The product of its digits is 622080, while the sum is 46.

The square root of 1252964386 is about 35397.2369825669. The cubic root of 1252964386 is about 1078.0682162249.

The spelling of 1252964386 in words is "one billion, two hundred fifty-two million, nine hundred sixty-four thousand, three hundred eighty-six".