1072990086 has 32 divisors (see below), whose sum is σ = 2454178560. Its totient is φ = 306364896.

The previous prime is 1072990057. The next prime is 1072990099. The reversal of 1072990086 is 6800992701.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

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, 62445 + ... + 77751.

It is an arithmetic number, because the mean of its divisors is an integer number (76693080).

Almost surely, 2^1072990086 is an apocalyptic number.

1072990086 is an abundant number, since it is smaller than the sum of its proper divisors (1381188474).

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

1072990086 is a wasteful number, since it uses less digits than its factorization.

1072990086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16988.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1072990086 is about 32756.5273800505. The cubic root of 1072990086 is about 1023.7609731352.

The spelling of 1072990086 in words is "one billion, seventy-two million, nine hundred ninety thousand, eighty-six".