122162639 has 2 divisors, whose sum is σ = 122162640. Its totient is φ = 122162638.

The previous prime is 122162633. The next prime is 122162681. The reversal of 122162639 is 936261221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122162639 - 2¹⁶ = 122097103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122162633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61081319 + 61081320.

It is an arithmetic number, because the mean of its divisors is an integer number (61081320).

Almost surely, 2^122162639 is an apocalyptic number.

122162639 is a deficient number, since it is larger than the sum of its proper divisors (1).

122162639 is an equidigital number, since it uses as much as digits as its factorization.

122162639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 122162639 is about 11052.7208867319. The cubic root of 122162639 is about 496.1878610594.

The spelling of 122162639 in words is "one hundred twenty-two million, one hundred sixty-two thousand, six hundred thirty-nine".