1150012890 has 240 divisors, whose sum is σ = 3469188096. Its totient is φ = 272937600.

The previous prime is 1150012883. The next prime is 1150012907. The reversal of 1150012890 is 982100511.

1150012890 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4243455 + ... + 4243725.

Almost surely, 2^1150012890 is an apocalyptic number.

1150012890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150012890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1734594048).

1150012890 is an abundant number, since it is smaller than the sum of its proper divisors (2319175206).

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

1150012890 is a wasteful number, since it uses less digits than its factorization.

1150012890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 1150012890 is about 33911.8399677753. The cubic root of 1150012890 is about 1047.6934675681.

The spelling of 1150012890 in words is "one billion, one hundred fifty million, twelve thousand, eight hundred ninety".