1254997 has 2 divisors, whose sum is σ = 1254998. Its totient is φ = 1254996.

The previous prime is 1254983. The next prime is 1255013. The reversal of 1254997 is 7994521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1168561 + 86436 = 1081^2 + 294^2 .

It is an emirp because it is prime and its reverse (7994521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1254997 - 2¹⁵ = 1222229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627498 + 627499.

It is an arithmetic number, because the mean of its divisors is an integer number (627499).

2^1254997 is an apocalyptic number.

It is an amenable number.

1254997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254997 is an equidigital number, since it uses as much as digits as its factorization.

1254997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 1254997 is about 1120.2664861541. The cubic root of 1254997 is about 107.8650864516.

The spelling of 1254997 in words is "one million, two hundred fifty-four thousand, nine hundred ninety-seven".