1402123379 has 2 divisors, whose sum is σ = 1402123380. Its totient is φ = 1402123378.

The previous prime is 1402123361. The next prime is 1402123439. The reversal of 1402123379 is 9733212041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402123379 - 2²⁴ = 1385346163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402123319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701061689 + 701061690.

It is an arithmetic number, because the mean of its divisors is an integer number (701061690).

Almost surely, 2^1402123379 is an apocalyptic number.

1402123379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402123379 is an equidigital number, since it uses as much as digits as its factorization.

1402123379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1402123379 is about 37444.9379622934. The cubic root of 1402123379 is about 1119.2542279612.

The spelling of 1402123379 in words is "one billion, four hundred two million, one hundred twenty-three thousand, three hundred seventy-nine".