1127900928 has 144 divisors (see below), whose sum is σ = 3742776576. Its totient is φ = 292945920.

The previous prime is 1127900927. The next prime is 1127900929. The reversal of 1127900928 is 8290097211.

It is an interprime number because it is at equal distance from previous prime (1127900927) and next prime (1127900929).

It is a super-2 number, since 2×1127900928² = 2544321006766522368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127900923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49600 + ... + 68672.

It is an arithmetic number, because the mean of its divisors is an integer number (25991504).

Almost surely, 2^1127900928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1127900928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871388288).

1127900928 is an abundant number, since it is smaller than the sum of its proper divisors (2614875648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1127900928 is a wasteful number, since it uses less digits than its factorization.

1127900928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110 (or 19096 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 1127900928 is about 33584.2363021701. The cubic root of 1127900928 is about 1040.9350958583.

The spelling of 1127900928 in words is "one billion, one hundred twenty-seven million, nine hundred thousand, nine hundred twenty-eight".