1235225156 has 12 divisors (see below), whose sum is σ = 2358157200. Its totient is φ = 561465960.

The previous prime is 1235225153. The next prime is 1235225161. The reversal of 1235225156 is 6515225321.

It is not an unprimeable number, because it can be changed into a prime (1235225153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14036606 + ... + 14036693.

It is an arithmetic number, because the mean of its divisors is an integer number (196513100).

Almost surely, 2^1235225156 is an apocalyptic number.

It is an amenable number.

1235225156 is a deficient number, since it is larger than the sum of its proper divisors (1122932044).

1235225156 is a wasteful number, since it uses less digits than its factorization.

1235225156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28073314 (or 28073312 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 1235225156 is about 35145.7701011089. The cubic root of 1235225156 is about 1072.9563208717.

The spelling of 1235225156 in words is "one billion, two hundred thirty-five million, two hundred twenty-five thousand, one hundred fifty-six".