122020964 has 24 divisors (see below), whose sum is σ = 242067840. Its totient is φ = 53352864.

The previous prime is 122020949. The next prime is 122020973. The reversal of 122020964 is 469020221.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 60764 + ... + 62739.

It is an arithmetic number, because the mean of its divisors is an integer number (10086160).

Almost surely, 2^122020964 is an apocalyptic number.

It is an amenable number.

122020964 is a deficient number, since it is larger than the sum of its proper divisors (120046876).

122020964 is a wasteful number, since it uses less digits than its factorization.

122020964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123539 (or 123537 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 122020964 is about 11046.3099721129. The cubic root of 122020964 is about 495.9959731289.

The spelling of 122020964 in words is "one hundred twenty-two million, twenty thousand, nine hundred sixty-four".