1153557074 has 8 divisors (see below), whose sum is σ = 1751183280. Its totient is φ = 569829316.

The previous prime is 1153557037. The next prime is 1153557079. The reversal of 1153557074 is 4707553511.

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

It is not an unprimeable number, because it can be changed into a prime (1153557079) 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, 3474404 + ... + 3474735.

It is an arithmetic number, because the mean of its divisors is an integer number (218897910).

Almost surely, 2^1153557074 is an apocalyptic number.

1153557074 is a deficient number, since it is larger than the sum of its proper divisors (597626206).

1153557074 is an equidigital number, since it uses as much as digits as its factorization.

1153557074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949224.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 1153557074 is about 33964.0556176673. The cubic root of 1153557074 is about 1048.7686469362.

The spelling of 1153557074 in words is "one billion, one hundred fifty-three million, five hundred fifty-seven thousand, seventy-four".