1254551 has 4 divisors (see below), whose sum is σ = 1320600. Its totient is φ = 1188504.

The previous prime is 1254541. The next prime is 1254553. The reversal of 1254551 is 1554521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32996 + ... + 33033.

It is an arithmetic number, because the mean of its divisors is an integer number (330150).

2^1254551 is an apocalyptic number.

1254551 is a deficient number, since it is larger than the sum of its proper divisors (66049).

1254551 is an equidigital number, since it uses as much as digits as its factorization.

1254551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66048.

The product of its digits is 1000, while the sum is 23.

The square root of 1254551 is about 1120.0674086857. The cubic root of 1254551 is about 107.8523072635.

The spelling of 1254551 in words is "one million, two hundred fifty-four thousand, five hundred fifty-one".