1047274509 has 8 divisors (see below), whose sum is σ = 1469859040. Its totient is φ = 661436496.

The previous prime is 1047274499. The next prime is 1047274513. The reversal of 1047274509 is 9054727401.

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

It is not a de Polignac number, because 1047274509 - 2¹⁶ = 1047208973 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 (1047272509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9186562 + ... + 9186675.

It is an arithmetic number, because the mean of its divisors is an integer number (183732380).

Almost surely, 2^1047274509 is an apocalyptic number.

1047274509 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1047274509 is a deficient number, since it is larger than the sum of its proper divisors (422584531).

1047274509 is a wasteful number, since it uses less digits than its factorization.

1047274509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18373259.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1047274509 is about 32361.6209266470. The cubic root of 1047274509 is about 1015.5161728650.

The spelling of 1047274509 in words is "one billion, forty-seven million, two hundred seventy-four thousand, five hundred nine".