121352973 has 24 divisors (see below), whose sum is σ = 188121024. Its totient is φ = 68163840.

The previous prime is 121352971. The next prime is 121352983. The reversal of 121352973 is 379253121.

It is not a de Polignac number, because 121352973 - 2¹ = 121352971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121352971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77365 + ... + 78917.

It is an arithmetic number, because the mean of its divisors is an integer number (7838376).

Almost surely, 2^121352973 is an apocalyptic number.

It is an amenable number.

121352973 is a deficient number, since it is larger than the sum of its proper divisors (66768051).

121352973 is an equidigital number, since it uses as much as digits as its factorization.

121352973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1624 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 121352973 is about 11016.0325435249. The cubic root of 121352973 is about 495.0892237899.

The spelling of 121352973 in words is "one hundred twenty-one million, three hundred fifty-two thousand, nine hundred seventy-three".