1011006090 has 32 divisors (see below), whose sum is σ = 2696016960. Its totient is φ = 269601552.

The previous prime is 1011006083. The next prime is 1011006097. The reversal of 1011006090 is 906001101.

It is an interprime number because it is at equal distance from previous prime (1011006083) and next prime (1011006097).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1011006097) 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, 1871964 + ... + 1872503.

It is an arithmetic number, because the mean of its divisors is an integer number (84250530).

Almost surely, 2^1011006090 is an apocalyptic number.

1011006090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011006090 is an abundant number, since it is smaller than the sum of its proper divisors (1685010870).

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

1011006090 is a wasteful number, since it uses less digits than its factorization.

1011006090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744483 (or 3744477 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1011006090 is about 31796.3219571069. The cubic root of 1011006090 is about 1003.6553190295.

Adding to 1011006090 its reverse (906001101), we get a palindrome (1917007191).

The spelling of 1011006090 in words is "one billion, eleven million, six thousand, ninety".