1147026774 has 8 divisors (see below), whose sum is σ = 2294053560. Its totient is φ = 382342256.

The previous prime is 1147026757. The next prime is 1147026781. The reversal of 1147026774 is 4776207411.

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

1147026774 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95585559 + ... + 95585570.

It is an arithmetic number, because the mean of its divisors is an integer number (286756695).

Almost surely, 2^1147026774 is an apocalyptic number.

1147026774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1147026774 is a wasteful number, since it uses less digits than its factorization.

1147026774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191171134.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 1147026774 is about 33867.7837184543. The cubic root of 1147026774 is about 1046.7858702097.

The spelling of 1147026774 in words is "one billion, one hundred forty-seven million, twenty-six thousand, seven hundred seventy-four".