121165954 has 16 divisors (see below), whose sum is σ = 223691328. Its totient is φ = 47933712.

The previous prime is 121165937. The next prime is 121165969. The reversal of 121165954 is 459561121.

It is a happy 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, 332692 + ... + 333055.

It is an arithmetic number, because the mean of its divisors is an integer number (13980708).

Almost surely, 2^121165954 is an apocalyptic number.

121165954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121165954 is a deficient number, since it is larger than the sum of its proper divisors (102525374).

121165954 is a wasteful number, since it uses less digits than its factorization.

121165954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665769.

The product of its digits is 10800, while the sum is 34.

The square root of 121165954 is about 11007.5407789388. The cubic root of 121165954 is about 494.8347630639.

The spelling of 121165954 in words is "one hundred twenty-one million, one hundred sixty-five thousand, nine hundred fifty-four".