1254479 has 2 divisors, whose sum is σ = 1254480. Its totient is φ = 1254478.

The previous prime is 1254469. The next prime is 1254497. The reversal of 1254479 is 9744521.

It is a happy number.

Together with next prime (1254497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254479 is a prime.

It is a super-2 number, since 2×1254479² = 3147435122882, which contains 22 as substring.

It is equal to p₉₆₇₇₃ and since 1254479 and 96773 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627239 + 627240.

It is an arithmetic number, because the mean of its divisors is an integer number (627240).

2^1254479 is an apocalyptic number.

1254479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254479 is an equidigital number, since it uses as much as digits as its factorization.

1254479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 1254479 is about 1120.0352673019. The cubic root of 1254479 is about 107.8502439716.

The spelling of 1254479 in words is "one million, two hundred fifty-four thousand, four hundred seventy-nine".