1254981 has 16 divisors (see below), whose sum is σ = 2059904. Its totient is φ = 661824.

The previous prime is 1254971. The next prime is 1254983. The reversal of 1254981 is 1894521.

It is a happy number.

It is not a de Polignac number, because 1254981 - 2⁹ = 1254469 is a prime.

It is a super-2 number, since 2×1254981² = 3149954620722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2026 + ... + 2571.

It is an arithmetic number, because the mean of its divisors is an integer number (128744).

2^1254981 is an apocalyptic number.

It is an amenable number.

1254981 is a deficient number, since it is larger than the sum of its proper divisors (804923).

1254981 is a wasteful number, since it uses less digits than its factorization.

1254981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620.

The product of its digits is 2880, while the sum is 30.

The square root of 1254981 is about 1120.2593449733. The cubic root of 1254981 is about 107.8646280578.

The spelling of 1254981 in words is "one million, two hundred fifty-four thousand, nine hundred eighty-one".