1081370047 has 16 divisors (see below), whose sum is σ = 1192320000. Its totient is φ = 976165344.

The previous prime is 1081370011. The next prime is 1081370083. The reversal of 1081370047 is 7400731801.

It is an interprime number because it is at equal distance from previous prime (1081370011) and next prime (1081370083).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1081370047 is a prime.

It is a super-2 number, since 2×1081370047² = 2338722357097564418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081377047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112954 + ... + 122152.

It is an arithmetic number, because the mean of its divisors is an integer number (74520000).

Almost surely, 2^1081370047 is an apocalyptic number.

1081370047 is a deficient number, since it is larger than the sum of its proper divisors (110949953).

1081370047 is a wasteful number, since it uses less digits than its factorization.

1081370047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1081370047 is about 32884.1914451306. The cubic root of 1081370047 is about 1026.4192267974.

The spelling of 1081370047 in words is "one billion, eighty-one million, three hundred seventy thousand, forty-seven".