1392500051 has 8 divisors (see below), whose sum is σ = 1399521024. Its totient is φ = 1385492680.

The previous prime is 1392500027. The next prime is 1392500077. The reversal of 1392500051 is 1500052931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1392500051 - 2¹⁸ = 1392237907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1392503051) 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, 246266 + ... + 251856.

It is an arithmetic number, because the mean of its divisors is an integer number (174940128).

Almost surely, 2^1392500051 is an apocalyptic number.

1392500051 is a deficient number, since it is larger than the sum of its proper divisors (7020973).

1392500051 is an equidigital number, since it uses as much as digits as its factorization.

1392500051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 1392500051 is about 37316.2169974396. The cubic root of 1392500051 is about 1116.6877189863.

Adding to 1392500051 its reverse (1500052931), we get a palindrome (2892552982).

The spelling of 1392500051 in words is "one billion, three hundred ninety-two million, five hundred thousand, fifty-one".