1157412 has 12 divisors (see below), whose sum is σ = 2700656. Its totient is φ = 385800.

The previous prime is 1157393. The next prime is 1157413. The reversal of 1157412 is 2147511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1157413) 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, 48214 + ... + 48237.

2^1157412 is an apocalyptic number.

1157412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1157412 is an abundant number, since it is smaller than the sum of its proper divisors (1543244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157412 is a wasteful number, since it uses less digits than its factorization.

1157412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96458 (or 96456 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 1157412 is about 1075.8308417219. The cubic root of 1157412 is about 104.9935596957.

Subtracting 1157412 from its reverse (2147511), we obtain a palindrome (990099).

The spelling of 1157412 in words is "one million, one hundred fifty-seven thousand, four hundred twelve".