1232400122 has 8 divisors (see below), whose sum is σ = 1928974176. Its totient is φ = 589408732.

The previous prime is 1232400101. The next prime is 1232400157. The reversal of 1232400122 is 2210042321.

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

It is a super-2 number, since 2×1232400122² = 3037620121411229768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1232400122.

It is an unprimeable number.

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, 13395608 + ... + 13395699.

It is an arithmetic number, because the mean of its divisors is an integer number (241121772).

Almost surely, 2^1232400122 is an apocalyptic number.

1232400122 is a deficient number, since it is larger than the sum of its proper divisors (696574054).

1232400122 is a wasteful number, since it uses less digits than its factorization.

1232400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26791332.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1232400122 is about 35105.5568535809. The cubic root of 1232400122 is about 1072.1377246800.

Adding to 1232400122 its reverse (2210042321), we get a palindrome (3442442443).

The spelling of 1232400122 in words is "one billion, two hundred thirty-two million, four hundred thousand, one hundred twenty-two".