1254997339 has 8 divisors (see below), whose sum is σ = 1293827040. Its totient is φ = 1216426176.

The previous prime is 1254997327. The next prime is 1254997351. The reversal of 1254997339 is 9337994521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1254997327) and next prime (1254997351).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254997339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254997399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54754 + ... + 74215.

It is an arithmetic number, because the mean of its divisors is an integer number (161728380).

Almost surely, 2^1254997339 is an apocalyptic number.

1254997339 is a deficient number, since it is larger than the sum of its proper divisors (38829701).

1254997339 is a wasteful number, since it uses less digits than its factorization.

1254997339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129269.

The product of its digits is 1837080, while the sum is 52.

The square root of 1254997339 is about 35425.9416106333. The cubic root of 1254997339 is about 1078.6509616382.

The spelling of 1254997339 in words is "one billion, two hundred fifty-four million, nine hundred ninety-seven thousand, three hundred thirty-nine".