122143946 has 16 divisors (see below), whose sum is σ = 195919560. Its totient is φ = 56908800.

The previous prime is 122143921. The next prime is 122143979. The reversal of 122143946 is 649341221.

It can be written as a sum of positive squares in 4 ways, for example, as 106894921 + 15249025 = 10339^2 + 3905^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14351 + ... + 21218.

Almost surely, 2^122143946 is an apocalyptic number.

122143946 is a deficient number, since it is larger than the sum of its proper divisors (73775614).

122143946 is a wasteful number, since it uses less digits than its factorization.

122143946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35689.

The product of its digits is 10368, while the sum is 32.

The square root of 122143946 is about 11051.8752254991. The cubic root of 122143946 is about 496.1625513224.

The spelling of 122143946 in words is "one hundred twenty-two million, one hundred forty-three thousand, nine hundred forty-six".