122190916 has 9 divisors (see below), whose sum is σ = 213872799. Its totient is φ = 61084404.

The previous prime is 122190899. The next prime is 122190923. The reversal of 122190916 is 619091221.

The square root of 122190916 is 11054.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19345 + ... + 24871.

Almost surely, 2^122190916 is an apocalyptic number.

122190916 is the 11054-th square number.

It is an amenable number.

122190916 is a deficient number, since it is larger than the sum of its proper divisors (91681883).

122190916 is an frugal number, since it uses more digits than its factorization.

122190916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11058 (or 5529 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The cubic root of 122190916 is about 496.2261423262.

The spelling of 122190916 in words is "one hundred twenty-two million, one hundred ninety thousand, nine hundred sixteen".