121486957 has 4 divisors (see below), whose sum is σ = 121581216. Its totient is φ = 121392700.

The previous prime is 121486949. The next prime is 121486987. The reversal of 121486957 is 759684121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121486957 - 2³ = 121486949 is a prime.

It is a super-2 number, since 2×121486957² = 29518161442239698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121486907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45169 + ... + 47782.

It is an arithmetic number, because the mean of its divisors is an integer number (30395304).

Almost surely, 2^121486957 is an apocalyptic number.

It is an amenable number.

121486957 is a deficient number, since it is larger than the sum of its proper divisors (94259).

121486957 is an equidigital number, since it uses as much as digits as its factorization.

121486957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94258.

The product of its digits is 120960, while the sum is 43.

The square root of 121486957 is about 11022.1121841505. The cubic root of 121486957 is about 495.2713636394.

The spelling of 121486957 in words is "one hundred twenty-one million, four hundred eighty-six thousand, nine hundred fifty-seven".