1137481 has 2 divisors, whose sum is σ = 1137482. Its totient is φ = 1137480.

The previous prime is 1137457. The next prime is 1137503. The reversal of 1137481 is 1847311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 147456 = 995^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137481 - 2⁹ = 1136969 is a prime.

It is a super-2 number, since 2×1137481² = 2587726050722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1137781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568740 + 568741.

It is an arithmetic number, because the mean of its divisors is an integer number (568741).

2^1137481 is an apocalyptic number.

It is an amenable number.

1137481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137481 is an equidigital number, since it uses as much as digits as its factorization.

1137481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 1137481 is about 1066.5275430105. The cubic root of 1137481 is about 104.3873927222.

The spelling of 1137481 in words is "one million, one hundred thirty-seven thousand, four hundred eighty-one".