1157440125 has 16 divisors (see below), whose sum is σ = 1925980992. Its totient is φ = 617301200.

The previous prime is 1157440117. The next prime is 1157440133. The reversal of 1157440125 is 5210447511.

It is an interprime number because it is at equal distance from previous prime (1157440117) and next prime (1157440133).

It is not a de Polignac number, because 1157440125 - 2³ = 1157440117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1157440092 and 1157440101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542879 + ... + 1543628.

It is an arithmetic number, because the mean of its divisors is an integer number (120373812).

Almost surely, 2^1157440125 is an apocalyptic number.

1157440125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1157440125 is a deficient number, since it is larger than the sum of its proper divisors (768540867).

1157440125 is an equidigital number, since it uses as much as digits as its factorization.

1157440125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086525 (or 3086515 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 1157440125 is about 34021.1717170353. The cubic root of 1157440125 is about 1049.9441013326.

Adding to 1157440125 its reverse (5210447511), we get a palindrome (6367887636).

The spelling of 1157440125 in words is "one billion, one hundred fifty-seven million, four hundred forty thousand, one hundred twenty-five".