1254983091 has 12 divisors (see below), whose sum is σ = 1733004312. Its totient is φ = 807803584.

The previous prime is 1254983089. The next prime is 1254983099. The reversal of 1254983091 is 1903894521.

1254983091 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1254983091 - 2¹ = 1254983089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1254983099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246186 + ... + 251231.

It is an arithmetic number, because the mean of its divisors is an integer number (144417026).

Almost surely, 2^1254983091 is an apocalyptic number.

1254983091 is a deficient number, since it is larger than the sum of its proper divisors (478021221).

1254983091 is an equidigital number, since it uses as much as digits as its factorization.

1254983091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497478 (or 497449 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1254983091 is about 35425.7405144903. The cubic root of 1254983091 is about 1078.6468796436.

The spelling of 1254983091 in words is "one billion, two hundred fifty-four million, nine hundred eighty-three thousand, ninety-one".