1260531 has 12 divisors (see below), whose sum is σ = 1831752. Its totient is φ = 835296.

The previous prime is 1260509. The next prime is 1260541. The reversal of 1260531 is 1350621.

It is not a de Polignac number, because 1260531 - 2⁹ = 1260019 is a prime.

It is a super-2 number, since 2×1260531² = 3177876803922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1260541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1735 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (152646).

2^1260531 is an apocalyptic number.

1260531 is a deficient number, since it is larger than the sum of its proper divisors (571221).

1260531 is a wasteful number, since it uses less digits than its factorization.

1260531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1260531 is about 1122.7337173168. The cubic root of 1260531 is about 108.0234002793.

The spelling of 1260531 in words is "one million, two hundred sixty thousand, five hundred thirty-one".