121063631 has 8 divisors (see below), whose sum is σ = 131061504. Its totient is φ = 111163680.

The previous prime is 121063627. The next prime is 121063643. The reversal of 121063631 is 136360121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121063631 - 2² = 121063627 is a prime.

It is a super-2 number, since 2×121063631² = 29312805501808322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121063597 and 121063606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121063601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21896 + ... + 26861.

It is an arithmetic number, because the mean of its divisors is an integer number (16382688).

Almost surely, 2^121063631 is an apocalyptic number.

121063631 is a deficient number, since it is larger than the sum of its proper divisors (9997873).

121063631 is a wasteful number, since it uses less digits than its factorization.

121063631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48961.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 121063631 is about 11002.8919380316. The cubic root of 121063631 is about 494.6954300928.

The spelling of 121063631 in words is "one hundred twenty-one million, sixty-three thousand, six hundred thirty-one".