1290541494 has 32 divisors (see below), whose sum is σ = 2821954176. Its totient is φ = 390208320.

The previous prime is 1290541489. The next prime is 1290541513. The reversal of 1290541494 is 4941450921.

1290541494 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

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, 8769 + ... + 51555.

It is an arithmetic number, because the mean of its divisors is an integer number (88186068).

Almost surely, 2^1290541494 is an apocalyptic number.

1290541494 is an abundant number, since it is smaller than the sum of its proper divisors (1531412682).

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

1290541494 is a wasteful number, since it uses less digits than its factorization.

1290541494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43260.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1290541494 is about 35924.1074210620. The cubic root of 1290541494 is about 1088.7395282840.

The spelling of 1290541494 in words is "one billion, two hundred ninety million, five hundred forty-one thousand, four hundred ninety-four".