122990932 has 12 divisors (see below), whose sum is σ = 217365876. Its totient is φ = 60886400.

The previous prime is 122990927. The next prime is 122990983. The reversal of 122990932 is 239099221.

It can be written as a sum of positive squares in 2 ways, for example, as 56340036 + 66650896 = 7506^2 + 8164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122990891 and 122990900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151813 + ... + 152620.

It is an arithmetic number, because the mean of its divisors is an integer number (18113823).

Almost surely, 2^122990932 is an apocalyptic number.

It is an amenable number.

122990932 is a deficient number, since it is larger than the sum of its proper divisors (94374944).

122990932 is a wasteful number, since it uses less digits than its factorization.

122990932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304538 (or 304536 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 122990932 is about 11090.1276818619. The cubic root of 122990932 is about 497.3067616484.

The spelling of 122990932 in words is "one hundred twenty-two million, nine hundred ninety thousand, nine hundred thirty-two".