1253051390 has 32 divisors (see below), whose sum is σ = 2337223680. Its totient is φ = 483354144.

The previous prime is 1253051377. The next prime is 1253051407. The reversal of 1253051390 is 931503521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15527 + ... + 52413.

It is an arithmetic number, because the mean of its divisors is an integer number (73038240).

Almost surely, 2^1253051390 is an apocalyptic number.

1253051390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253051390 is a deficient number, since it is larger than the sum of its proper divisors (1084172290).

1253051390 is a wasteful number, since it uses less digits than its factorization.

1253051390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37016.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 1253051390 is about 35398.4659272122. The cubic root of 1253051390 is about 1078.0931688033.

The spelling of 1253051390 in words is "one billion, two hundred fifty-three million, fifty-one thousand, three hundred ninety".