121036630 has 64 divisors (see below), whose sum is σ = 260947008. Its totient is φ = 39836160.

The previous prime is 121036621. The next prime is 121036661. The reversal of 121036630 is 36630121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74992 + ... + 76588.

It is an arithmetic number, because the mean of its divisors is an integer number (4077297).

Almost surely, 2^121036630 is an apocalyptic number.

121036630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121036630 is an abundant number, since it is smaller than the sum of its proper divisors (139910378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121036630 is a wasteful number, since it uses less digits than its factorization.

121036630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 121036630 is about 11001.6648740088. The cubic root of 121036630 is about 494.6586498080.

Adding to 121036630 its reverse (36630121), we get a palindrome (157666751).

The spelling of 121036630 in words is "one hundred twenty-one million, thirty-six thousand, six hundred thirty".