1232400106 has 16 divisors (see below), whose sum is σ = 2132433216. Its totient is φ = 523234656.

The previous prime is 1232400101. The next prime is 1232400157. The reversal of 1232400106 is 6010042321.

It is a super-2 number, since 2×1232400106² = 3037620042537622472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232400101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409851 + ... + 412846.

It is an arithmetic number, because the mean of its divisors is an integer number (133277076).

Almost surely, 2^1232400106 is an apocalyptic number.

1232400106 is a deficient number, since it is larger than the sum of its proper divisors (900033110).

1232400106 is a wasteful number, since it uses less digits than its factorization.

1232400106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822813.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1232400106 is about 35105.5566256967. The cubic root of 1232400106 is about 1072.1377200402.

Adding to 1232400106 its reverse (6010042321), we get a palindrome (7242442427).

The spelling of 1232400106 in words is "one billion, two hundred thirty-two million, four hundred thousand, one hundred six".