1392123371 has 2 divisors, whose sum is σ = 1392123372. Its totient is φ = 1392123370.

The previous prime is 1392123361. The next prime is 1392123377. The reversal of 1392123371 is 1733212931.

It is a strong prime.

It is an emirp because it is prime and its reverse (1733212931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1392123371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1392123377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696061685 + 696061686.

It is an arithmetic number, because the mean of its divisors is an integer number (696061686).

Almost surely, 2^1392123371 is an apocalyptic number.

1392123371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392123371 is an equidigital number, since it uses as much as digits as its factorization.

1392123371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 1392123371 is about 37311.1695206677. The cubic root of 1392123371 is about 1116.5870195612.

The spelling of 1392123371 in words is "one billion, three hundred ninety-two million, one hundred twenty-three thousand, three hundred seventy-one".