1047198745 has 8 divisors (see below), whose sum is σ = 1256981760. Its totient is φ = 837530160.

The previous prime is 1047198731. The next prime is 1047198781. The reversal of 1047198745 is 5478917401.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1047198745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1047198695 and 1047198704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6985 + ... + 46294.

It is an arithmetic number, because the mean of its divisors is an integer number (157122720).

Almost surely, 2^1047198745 is an apocalyptic number.

It is an amenable number.

1047198745 is a deficient number, since it is larger than the sum of its proper divisors (209783015).

1047198745 is an equidigital number, since it uses as much as digits as its factorization.

1047198745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57215.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 1047198745 is about 32360.4503213413. The cubic root of 1047198745 is about 1015.4916834492.

The spelling of 1047198745 in words is "one billion, forty-seven million, one hundred ninety-eight thousand, seven hundred forty-five".