122611630 has 8 divisors (see below), whose sum is σ = 220700952. Its totient is φ = 49044648.

The previous prime is 122611627. The next prime is 122611639. The reversal of 122611630 is 36116221.

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

It is a super-2 number, since 2×122611630² = 30067223622513800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122611639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6130572 + ... + 6130591.

It is an arithmetic number, because the mean of its divisors is an integer number (27587619).

Almost surely, 2^122611630 is an apocalyptic number.

122611630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122611630 is a deficient number, since it is larger than the sum of its proper divisors (98089322).

122611630 is a wasteful number, since it uses less digits than its factorization.

122611630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12261170.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 122611630 is about 11073.0135916109. The cubic root of 122611630 is about 496.7950065968.

Adding to 122611630 its reverse (36116221), we get a palindrome (158727851).

The spelling of 122611630 in words is "one hundred twenty-two million, six hundred eleven thousand, six hundred thirty".