1151440125 has 32 divisors (see below), whose sum is σ = 2090185344. Its totient is φ = 558272000.

The previous prime is 1151440063. The next prime is 1151440127. The reversal of 1151440125 is 5210441511.

It is not a de Polignac number, because 1151440125 - 2⁶ = 1151440061 is a prime.

It is a super-2 number, since 2×1151440125² = 2651628722920031250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151440095 and 1151440104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151440127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135444 + ... + 143693.

It is an arithmetic number, because the mean of its divisors is an integer number (65318292).

Almost surely, 2^1151440125 is an apocalyptic number.

1151440125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151440125 is a deficient number, since it is larger than the sum of its proper divisors (938745219).

1151440125 is a wasteful number, since it uses less digits than its factorization.

1151440125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279166 (or 279156 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1151440125 is about 33932.8767569153. The cubic root of 1151440125 is about 1048.1267052120.

Adding to 1151440125 its reverse (5210441511), we get a palindrome (6361881636).

The spelling of 1151440125 in words is "one billion, one hundred fifty-one million, four hundred forty thousand, one hundred twenty-five".