172070122 has 32 divisors (see below), whose sum is σ = 300085632. Its totient is φ = 72477504.

The previous prime is 172070113. The next prime is 172070131. The reversal of 172070122 is 221070271.

It is an interprime number because it is at equal distance from previous prime (172070113) and next prime (172070131).

It is a junction number, because it is equal to n+sod(n) for n = 172070093 and 172070102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433228 + ... + 433624.

It is an arithmetic number, because the mean of its divisors is an integer number (9377676).

Almost surely, 2^172070122 is an apocalyptic number.

172070122 is a deficient number, since it is larger than the sum of its proper divisors (128015510).

172070122 is a wasteful number, since it uses less digits than its factorization.

172070122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 172070122 is about 13117.5501523722. The cubic root of 172070122 is about 556.2053418341.

The spelling of 172070122 in words is "one hundred seventy-two million, seventy thousand, one hundred twenty-two".