121951952 has 10 divisors (see below), whose sum is σ = 236281938. Its totient is φ = 60975968.

The previous prime is 121951933. The next prime is 121951987. The reversal of 121951952 is 259159121.

It can be written as a sum of positive squares in only one way, i.e., 113976976 + 7974976 = 10676^2 + 2824^2 .

It is a super-3 number, since 3×121951952³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810983 + ... + 3811014.

Almost surely, 2^121951952 is an apocalyptic number.

It is an amenable number.

121951952 is a deficient number, since it is larger than the sum of its proper divisors (114329986).

121951952 is an equidigital number, since it uses as much as digits as its factorization.

121951952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622005 (or 7621999 counting only the distinct ones).

The product of its digits is 8100, while the sum is 35.

The square root of 121951952 is about 11043.1857722308. The cubic root of 121951952 is about 495.9024478631.

The spelling of 121951952 in words is "one hundred twenty-one million, nine hundred fifty-one thousand, nine hundred fifty-two".