1230400122 has 32 divisors (see below), whose sum is σ = 2872184832. Its totient is φ = 344062704.

The previous prime is 1230400103. The next prime is 1230400277. The reversal of 1230400122 is 2210040321.

It is a super-2 number, since 2×1230400122² = 3027768920435229768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309678 + ... + 313625.

It is an arithmetic number, because the mean of its divisors is an integer number (89755776).

Almost surely, 2^1230400122 is an apocalyptic number.

1230400122 is an abundant number, since it is smaller than the sum of its proper divisors (1641784710).

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

1230400122 is a wasteful number, since it uses less digits than its factorization.

1230400122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623362.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1230400122 is about 35077.0597684584. The cubic root of 1230400122 is about 1071.5574379145.

Adding to 1230400122 its reverse (2210040321), we get a palindrome (3440440443).

The spelling of 1230400122 in words is "one billion, two hundred thirty million, four hundred thousand, one hundred twenty-two".