1077020947 has 4 divisors (see below), whose sum is σ = 1133706280. Its totient is φ = 1020335616.

The previous prime is 1077020887. The next prime is 1077020953. The reversal of 1077020947 is 7490207701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7490207701 = 17 ⋅440600453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1077020947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1077021947) 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, 28342638 + ... + 28342675.

It is an arithmetic number, because the mean of its divisors is an integer number (283426570).

Almost surely, 2^1077020947 is an apocalyptic number.

1077020947 is a deficient number, since it is larger than the sum of its proper divisors (56685333).

1077020947 is an equidigital number, since it uses as much as digits as its factorization.

1077020947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56685332.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 1077020947 is about 32817.9973033090. The cubic root of 1077020947 is about 1025.0413457841.

The spelling of 1077020947 in words is "one billion, seventy-seven million, twenty thousand, nine hundred forty-seven".