1234986090 has 48 divisors (see below), whose sum is σ = 3209515488. Its totient is φ = 303995328.

The previous prime is 1234986059. The next prime is 1234986113. The reversal of 1234986090 is 906894321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116724 + ... + 126863.

It is an arithmetic number, because the mean of its divisors is an integer number (66864906).

Almost surely, 2^1234986090 is an apocalyptic number.

1234986090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1234986090 is an abundant number, since it is smaller than the sum of its proper divisors (1974529398).

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

1234986090 is a wasteful number, since it uses less digits than its factorization.

1234986090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243623 (or 243610 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1234986090 is about 35142.3688729146. The cubic root of 1234986090 is about 1072.8870962653.

The spelling of 1234986090 in words is "one billion, two hundred thirty-four million, nine hundred eighty-six thousand, ninety".