1252001344 has 28 divisors (see below), whose sum is σ = 2710299888. Its totient is φ = 569091200.

The previous prime is 1252001341. The next prime is 1252001357. The reversal of 1252001344 is 4431002521.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1252001341) 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, 888502 + ... + 889909.

Almost surely, 2^1252001344 is an apocalyptic number.

It is an amenable number.

1252001344 is an abundant number, since it is smaller than the sum of its proper divisors (1458298544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252001344 is a wasteful number, since it uses less digits than its factorization.

1252001344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778434 (or 1778424 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1252001344 is about 35383.6310177460. The cubic root of 1252001344 is about 1077.7919404602.

Adding to 1252001344 its reverse (4431002521), we get a palindrome (5683003865).

It can be divided in two parts, 12 and 52001344, that multiplied together give a triangular number (624016128 = T₃₅₃₂₇).

The spelling of 1252001344 in words is "one billion, two hundred fifty-two million, one thousand, three hundred forty-four".