1225601150 has 24 divisors (see below), whose sum is σ = 2322634824. Its totient is φ = 480989600.

The previous prime is 1225601147. The next prime is 1225601171. The reversal of 1225601150 is 511065221.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228596 + ... + 233895.

It is an arithmetic number, because the mean of its divisors is an integer number (96776451).

Almost surely, 2^1225601150 is an apocalyptic number.

1225601150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225601150 is a deficient number, since it is larger than the sum of its proper divisors (1097033674).

1225601150 is a wasteful number, since it uses less digits than its factorization.

1225601150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462556 (or 462551 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1225601150 is about 35008.5868038114. The cubic root of 1225601150 is about 1070.1624786019.

Adding to 1225601150 its reverse (511065221), we get a palindrome (1736666371).

The spelling of 1225601150 in words is "one billion, two hundred twenty-five million, six hundred one thousand, one hundred fifty".