1157260601 has 8 divisors (see below), whose sum is σ = 1400382720. Its totient is φ = 933588288.

The previous prime is 1157260589. The next prime is 1157260639. The reversal of 1157260601 is 1060627511.

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

It is a cyclic number.

It is not a de Polignac number, because 1157260601 - 2²⁶ = 1090151737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1157260691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4862321 + ... + 4862558.

It is an arithmetic number, because the mean of its divisors is an integer number (175047840).

Almost surely, 2^1157260601 is an apocalyptic number.

It is an amenable number.

1157260601 is a deficient number, since it is larger than the sum of its proper divisors (243122119).

1157260601 is an equidigital number, since it uses as much as digits as its factorization.

1157260601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9724903.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1157260601 is about 34018.5331988315. The cubic root of 1157260601 is about 1049.8898148928.

The spelling of 1157260601 in words is "one billion, one hundred fifty-seven million, two hundred sixty thousand, six hundred one".