1142861298 has 16 divisors (see below), whose sum is σ = 2317916736. Its totient is φ = 375588080.

The previous prime is 1142861249. The next prime is 1142861309. The reversal of 1142861298 is 8921682411.

1142861298 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1142861298² = 2612263892932489608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340961 + ... + 1341812.

It is an arithmetic number, because the mean of its divisors is an integer number (144869796).

Almost surely, 2^1142861298 is an apocalyptic number.

1142861298 is an abundant number, since it is smaller than the sum of its proper divisors (1175055438).

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

1142861298 is a wasteful number, since it uses less digits than its factorization.

1142861298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682849.

The product of its digits is 55296, while the sum is 42.

The square root of 1142861298 is about 33806.2316444764. The cubic root of 1142861298 is about 1045.5171842261.

The spelling of 1142861298 in words is "one billion, one hundred forty-two million, eight hundred sixty-one thousand, two hundred ninety-eight".