1258814242 has 16 divisors (see below), whose sum is σ = 2251792512. Its totient is φ = 516035520.

The previous prime is 1258814213. The next prime is 1258814257. The reversal of 1258814242 is 2424188521.

It is a super-2 number, since 2×1258814242² = 3169226591724069128, 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, 1954359 + ... + 1955002.

It is an arithmetic number, because the mean of its divisors is an integer number (140737032).

Almost surely, 2^1258814242 is an apocalyptic number.

1258814242 is a deficient number, since it is larger than the sum of its proper divisors (992978270).

1258814242 is a wasteful number, since it uses less digits than its factorization.

1258814242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909393.

The product of its digits is 40960, while the sum is 37.

The square root of 1258814242 is about 35479.7722935196. The cubic root of 1258814242 is about 1079.7433781000.

The spelling of 1258814242 in words is "one billion, two hundred fifty-eight million, eight hundred fourteen thousand, two hundred forty-two".