1241252644 has 24 divisors (see below), whose sum is σ = 2228482368. Its totient is φ = 604734240.

The previous prime is 1241252627. The next prime is 1241252699. The reversal of 1241252644 is 4462521421.

1241252644 is a modest number, since divided by 52644 gives 12412 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337 + ... + 49879.

It is an arithmetic number, because the mean of its divisors is an integer number (92853432).

Almost surely, 2^1241252644 is an apocalyptic number.

It is an amenable number.

1241252644 is a deficient number, since it is larger than the sum of its proper divisors (987229724).

1241252644 is a wasteful number, since it uses less digits than its factorization.

1241252644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47715 (or 47713 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 1241252644 is about 35231.4155832547. The cubic root of 1241252644 is about 1074.6987131875.

It can be divided in two parts, 12412 and 52644, that added together give a palindrome (65056).

The spelling of 1241252644 in words is "one billion, two hundred forty-one million, two hundred fifty-two thousand, six hundred forty-four".