122489630 has 8 divisors (see below), whose sum is σ = 220481352. Its totient is φ = 48995848.

The previous prime is 122489629. The next prime is 122489639. The reversal of 122489630 is 36984221.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122489639) 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, 6124472 + ... + 6124491.

It is an arithmetic number, because the mean of its divisors is an integer number (27560169).

Almost surely, 2^122489630 is an apocalyptic number.

122489630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122489630 is a deficient number, since it is larger than the sum of its proper divisors (97991722).

122489630 is a wasteful number, since it uses less digits than its factorization.

122489630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12248970.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 122489630 is about 11067.5033318269. The cubic root of 122489630 is about 496.6301796437.

The spelling of 122489630 in words is "one hundred twenty-two million, four hundred eighty-nine thousand, six hundred thirty".