1047870481 has 4 divisors (see below), whose sum is σ = 1197566272. Its totient is φ = 898174692.

The previous prime is 1047870479. The next prime is 1047870487. The reversal of 1047870481 is 1840787401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1840787401 = 1733 ⋅1062197.

It is a cyclic number.

It is not a de Polignac number, because 1047870481 - 2¹ = 1047870479 is a prime.

It is a super-2 number, since 2×1047870481² = 2196065089902342722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1047870487) 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, 74847885 + ... + 74847898.

It is an arithmetic number, because the mean of its divisors is an integer number (299391568).

Almost surely, 2^1047870481 is an apocalyptic number.

It is an amenable number.

1047870481 is a deficient number, since it is larger than the sum of its proper divisors (149695791).

1047870481 is an equidigital number, since it uses as much as digits as its factorization.

1047870481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149695790.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 1047870481 is about 32370.8276230312. The cubic root of 1047870481 is about 1015.7087694357.

The spelling of 1047870481 in words is "one billion, forty-seven million, eight hundred seventy thousand, four hundred eighty-one".