122391460942 has 4 divisors (see below), whose sum is σ = 183587191416. Its totient is φ = 61195730470.

The previous prime is 122391460931. The next prime is 122391460963. The reversal of 122391460942 is 249064193221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×122391460942² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30597865234 + ... + 30597865237.

It is an arithmetic number, because the mean of its divisors is an integer number (45896797854).

Almost surely, 2^122391460942 is an apocalyptic number.

122391460942 is a deficient number, since it is larger than the sum of its proper divisors (61195730474).

122391460942 is an equidigital number, since it uses as much as digits as its factorization.

122391460942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61195730473.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 122391460942 in words is "one hundred twenty-two billion, three hundred ninety-one million, four hundred sixty thousand, nine hundred forty-two".