1481157 has 12 divisors (see below), whose sum is σ = 2152800. Its totient is φ = 981288.

The previous prime is 1481153. The next prime is 1481167. The reversal of 1481157 is 7511841.

It is not a de Polignac number, because 1481157 - 2² = 1481153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1481157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1378 + ... + 2204.

It is an arithmetic number, because the mean of its divisors is an integer number (179400).

2^1481157 is an apocalyptic number.

It is an amenable number.

1481157 is a deficient number, since it is larger than the sum of its proper divisors (671643).

1481157 is a wasteful number, since it uses less digits than its factorization.

1481157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1029 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1481157 is about 1217.0279372307. The cubic root of 1481157 is about 113.9900730045.

Adding to 1481157 its reverse (7511841), we get a palindrome (8992998).

The spelling of 1481157 in words is "one million, four hundred eighty-one thousand, one hundred fifty-seven".