1127870389 has 16 divisors (see below), whose sum is σ = 1260178560. Its totient is φ = 1003932160.

The previous prime is 1127870383. The next prime is 1127870399. The reversal of 1127870389 is 9830787211.

It is a cyclic number.

It is not a de Polignac number, because 1127870389 - 2⁵ = 1127870357 is a prime.

It is a super-2 number, since 2×1127870389² = 2544183228766022642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127870383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18594 + ... + 51004.

It is an arithmetic number, because the mean of its divisors is an integer number (78761160).

Almost surely, 2^1127870389 is an apocalyptic number.

It is an amenable number.

1127870389 is a deficient number, since it is larger than the sum of its proper divisors (132308171).

1127870389 is a wasteful number, since it uses less digits than its factorization.

1127870389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32540.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 1127870389 is about 33583.7816363792. The cubic root of 1127870389 is about 1040.9257010013.

The spelling of 1127870389 in words is "one billion, one hundred twenty-seven million, eight hundred seventy thousand, three hundred eighty-nine".