1127442890 has 32 divisors (see below), whose sum is σ = 2455743744. Its totient is φ = 363813120.

The previous prime is 1127442857. The next prime is 1127442959. The reversal of 1127442890 is 982447211.

It is a happy number.

It is a super-2 number, since 2×1127442890² = 2542254940423104200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472526 + ... + 474905.

It is an arithmetic number, because the mean of its divisors is an integer number (76741992).

Almost surely, 2^1127442890 is an apocalyptic number.

1127442890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1127442890 is an abundant number, since it is smaller than the sum of its proper divisors (1328300854).

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

1127442890 is a wasteful number, since it uses less digits than its factorization.

1127442890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947462.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1127442890 is about 33577.4163687440. The cubic root of 1127442890 is about 1040.7941696555.

The spelling of 1127442890 in words is "one billion, one hundred twenty-seven million, four hundred forty-two thousand, eight hundred ninety".