2140122379 has 2 divisors, whose sum is σ = 2140122380. Its totient is φ = 2140122378.

The previous prime is 2140122373. The next prime is 2140122433. The reversal of 2140122379 is 9732210412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140122379 - 2²⁹ = 1603251467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2140122379.

It is not a weakly prime, because it can be changed into another prime (2140122373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070061189 + 1070061190.

It is an arithmetic number, because the mean of its divisors is an integer number (1070061190).

Almost surely, 2^2140122379 is an apocalyptic number.

2140122379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140122379 is an equidigital number, since it uses as much as digits as its factorization.

2140122379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2140122379 is about 46261.4567323598. The cubic root of 2140122379 is about 1288.6833066795.

The spelling of 2140122379 in words is "two billion, one hundred forty million, one hundred twenty-two thousand, three hundred seventy-nine".