1252926790 has 16 divisors (see below), whose sum is σ = 2310275520. Its totient is φ = 488946880.

The previous prime is 1252926767. The next prime is 1252926791. The reversal of 1252926790 is 976292521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252926791) 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, 1527550 + ... + 1528369.

It is an arithmetic number, because the mean of its divisors is an integer number (144392220).

Almost surely, 2^1252926790 is an apocalyptic number.

1252926790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252926790 is a deficient number, since it is larger than the sum of its proper divisors (1057348730).

1252926790 is a wasteful number, since it uses less digits than its factorization.

1252926790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055967.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 1252926790 is about 35396.7059201842. The cubic root of 1252926790 is about 1078.0574334076.

The spelling of 1252926790 in words is "one billion, two hundred fifty-two million, nine hundred twenty-six thousand, seven hundred ninety".