1152027861 has 8 divisors (see below), whose sum is σ = 1536282720. Its totient is φ = 767895792.

The previous prime is 1152027853. The next prime is 1152027869. The reversal of 1152027861 is 1687202511.

It is an interprime number because it is at equal distance from previous prime (1152027853) and next prime (1152027869).

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

It is not a de Polignac number, because 1152027861 - 2³ = 1152027853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152027869) 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, 5955 + ... + 48368.

It is an arithmetic number, because the mean of its divisors is an integer number (192035340).

Almost surely, 2^1152027861 is an apocalyptic number.

It is an amenable number.

1152027861 is a deficient number, since it is larger than the sum of its proper divisors (384254859).

1152027861 is an equidigital number, since it uses as much as digits as its factorization.

1152027861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61395.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 1152027861 is about 33941.5359257651. The cubic root of 1152027861 is about 1048.3050085964.

The spelling of 1152027861 in words is "one billion, one hundred fifty-two million, twenty-seven thousand, eight hundred sixty-one".