1223625132 has 18 divisors (see below), whose sum is σ = 3093052508. Its totient is φ = 407875032.

The previous prime is 1223625107. The next prime is 1223625181. The reversal of 1223625132 is 2315263221.

It is a happy number.

1223625132 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 625 + 1 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1223625096 and 1223625105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16994758 + ... + 16994829.

Almost surely, 2^1223625132 is an apocalyptic number.

1223625132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223625132 is an abundant number, since it is smaller than the sum of its proper divisors (1869427376).

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

1223625132 is a wasteful number, since it uses less digits than its factorization.

1223625132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33989597 (or 33989592 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1223625132 is about 34980.3535145087. The cubic root of 1223625132 is about 1069.5870336953.

Adding to 1223625132 its reverse (2315263221), we get a palindrome (3538888353).

The spelling of 1223625132 in words is "one billion, two hundred twenty-three million, six hundred twenty-five thousand, one hundred thirty-two".