1252602044 has 12 divisors (see below), whose sum is σ = 2195025000. Its totient is φ = 625452048.

The previous prime is 1252602023. The next prime is 1252602073. The reversal of 1252602044 is 4402062521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208919 + ... + 214830.

It is an arithmetic number, because the mean of its divisors is an integer number (182918750).

Almost surely, 2^1252602044 is an apocalyptic number.

It is an amenable number.

1252602044 is a deficient number, since it is larger than the sum of its proper divisors (942422956).

1252602044 is a wasteful number, since it uses less digits than its factorization.

1252602044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424492 (or 424490 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1252602044 is about 35392.1183881383. The cubic root of 1252602044 is about 1077.9642848179.

Adding to 1252602044 its reverse (4402062521), we get a palindrome (5654664565).

The spelling of 1252602044 in words is "one billion, two hundred fifty-two million, six hundred two thousand, forty-four".