1252693790 has 16 divisors (see below), whose sum is σ = 2387487312. Its totient is φ = 471602304.

The previous prime is 1252693777. The next prime is 1252693801. The reversal of 1252693790 is 973962521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684224 + ... + 3684563.

It is an arithmetic number, because the mean of its divisors is an integer number (149217957).

Almost surely, 2^1252693790 is an apocalyptic number.

1252693790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252693790 is a deficient number, since it is larger than the sum of its proper divisors (1134793522).

1252693790 is a wasteful number, since it uses less digits than its factorization.

1252693790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7368811.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1252693790 is about 35393.4145004406. The cubic root of 1252693790 is about 1077.9906024333.

The spelling of 1252693790 in words is "one billion, two hundred fifty-two million, six hundred ninety-three thousand, seven hundred ninety".