1901127916 has 24 divisors (see below), whose sum is σ = 3503893680. Its totient is φ = 900067392.

The previous prime is 1901127887. The next prime is 1901127919. The reversal of 1901127916 is 6197211091.

It is a super-2 number, since 2×1901127916² = 7228574705989006112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1901127919) 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, 173826 + ... + 184438.

It is an arithmetic number, because the mean of its divisors is an integer number (145995570).

Almost surely, 2^1901127916 is an apocalyptic number.

It is an amenable number.

1901127916 is a deficient number, since it is larger than the sum of its proper divisors (1602765764).

1901127916 is a wasteful number, since it uses less digits than its factorization.

1901127916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993 (or 12991 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 37.

The square root of 1901127916 is about 43601.9255996797. The cubic root of 1901127916 is about 1238.8073678622.

The spelling of 1901127916 in words is "one billion, nine hundred one million, one hundred twenty-seven thousand, nine hundred sixteen".