1551136 has 12 divisors (see below), whose sum is σ = 3053862. Its totient is φ = 775552.

The previous prime is 1551133. The next prime is 1551157. The reversal of 1551136 is 6311551.

It can be written as a sum of positive squares in only one way, i.e., 1547536 + 3600 = 1244^2 + 60^2 .

It is not an unprimeable number, because it can be changed into a prime (1551133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24205 + ... + 24268.

2^1551136 is an apocalyptic number.

1551136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1551136 is a deficient number, since it is larger than the sum of its proper divisors (1502726).

1551136 is an equidigital number, since it uses as much as digits as its factorization.

1551136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48483 (or 48475 counting only the distinct ones).

The product of its digits is 450, while the sum is 22.

The square root of 1551136 is about 1245.4461048155. The cubic root of 1551136 is about 115.7577186518.

Adding to 1551136 its reverse (6311551), we get a palindrome (7862687).

The spelling of 1551136 in words is "one million, five hundred fifty-one thousand, one hundred thirty-six".