1127820072 has 32 divisors (see below), whose sum is σ = 2872752480. Its totient is φ = 368846400.

The previous prime is 1127820049. The next prime is 1127820073. The reversal of 1127820072 is 2700287211.

It is a happy number.

It is a super-2 number, since 2×1127820072² = 2543956229612170368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1127820073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442054 + ... + 444597.

It is an arithmetic number, because the mean of its divisors is an integer number (89773515).

Almost surely, 2^1127820072 is an apocalyptic number.

1127820072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1127820072 is an abundant number, since it is smaller than the sum of its proper divisors (1744932408).

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

1127820072 is a wasteful number, since it uses less digits than its factorization.

1127820072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886713 (or 886709 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 1127820072 is about 33583.0325015476. The cubic root of 1127820072 is about 1040.9102213747.

The spelling of 1127820072 in words is "one billion, one hundred twenty-seven million, eight hundred twenty thousand, seventy-two".