1127274921 has 32 divisors (see below), whose sum is σ = 1818576000. Its totient is φ = 687403584.

The previous prime is 1127274901. The next prime is 1127274923. The reversal of 1127274921 is 1294727211.

It is not a de Polignac number, because 1127274921 - 2⁶ = 1127274857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1127274923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23010 + ... + 52763.

It is an arithmetic number, because the mean of its divisors is an integer number (56830500).

Almost surely, 2^1127274921 is an apocalyptic number.

It is an amenable number.

1127274921 is a deficient number, since it is larger than the sum of its proper divisors (691301079).

1127274921 is a wasteful number, since it uses less digits than its factorization.

1127274921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75830 (or 75824 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 1127274921 is about 33574.9150557377. The cubic root of 1127274921 is about 1040.7424804628.

The spelling of 1127274921 in words is "one billion, one hundred twenty-seven million, two hundred seventy-four thousand, nine hundred twenty-one".