1208231090 has 64 divisors (see below), whose sum is σ = 2515968000. Its totient is φ = 413138880.

The previous prime is 1208231081. The next prime is 1208231093. The reversal of 1208231090 is 901328021.

It is not an unprimeable number, because it can be changed into a prime (1208231093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288431 + ... + 292589.

It is an arithmetic number, because the mean of its divisors is an integer number (39312000).

Almost surely, 2^1208231090 is an apocalyptic number.

1208231090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1208231090 is an abundant number, since it is smaller than the sum of its proper divisors (1307736910).

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

1208231090 is a wasteful number, since it uses less digits than its factorization.

1208231090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1208231090 is about 34759.6186687944. The cubic root of 1208231090 is about 1065.0827123194.

The spelling of 1208231090 in words is "one billion, two hundred eight million, two hundred thirty-one thousand, ninety".