121161626 has 8 divisors (see below), whose sum is σ = 181791540. Its totient is φ = 60564448.

The previous prime is 121161619. The next prime is 121161637. The reversal of 121161626 is 626161121.

It can be written as a sum of positive squares in 2 ways, for example, as 120670225 + 491401 = 10985^2 + 701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121161626² = 29360279229927752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121161595 and 121161604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960 + ... + 16668.

Almost surely, 2^121161626 is an apocalyptic number.

121161626 is a deficient number, since it is larger than the sum of its proper divisors (60629914).

121161626 is a wasteful number, since it uses less digits than its factorization.

121161626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16368.

The product of its digits is 864, while the sum is 26.

The square root of 121161626 is about 11007.3441846796. The cubic root of 121161626 is about 494.8288712263.

The spelling of 121161626 in words is "one hundred twenty-one million, one hundred sixty-one thousand, six hundred twenty-six".