1156630125 has 64 divisors (see below), whose sum is σ = 2250952704. Its totient is φ = 516398400.

The previous prime is 1156630121. The next prime is 1156630127. The reversal of 1156630125 is 5210366511.

It is not a de Polignac number, because 1156630125 - 2² = 1156630121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1156630092 and 1156630101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156630121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107752 + ... + 117998.

It is an arithmetic number, because the mean of its divisors is an integer number (35171136).

Almost surely, 2^1156630125 is an apocalyptic number.

1156630125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1156630125 is a deficient number, since it is larger than the sum of its proper divisors (1094322579).

1156630125 is a wasteful number, since it uses less digits than its factorization.

1156630125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315 (or 10305 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1156630125 is about 34009.2652816846. The cubic root of 1156630125 is about 1049.6991201396.

Adding to 1156630125 its reverse (5210366511), we get a palindrome (6366996636).

The spelling of 1156630125 in words is "one billion, one hundred fifty-six million, six hundred thirty thousand, one hundred twenty-five".