1258098338 has 16 divisors (see below), whose sum is σ = 2270253120. Its totient is φ = 510806736.

The previous prime is 1258098307. The next prime is 1258098349. The reversal of 1258098338 is 8338908521.

It is a super-2 number, since 2×1258098338² = 3165622856156724488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1258098292 and 1258098301.

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, 2364581 + ... + 2365112.

It is an arithmetic number, because the mean of its divisors is an integer number (141890820).

Almost surely, 2^1258098338 is an apocalyptic number.

1258098338 is a deficient number, since it is larger than the sum of its proper divisors (1012154782).

1258098338 is a wasteful number, since it uses less digits than its factorization.

1258098338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729721.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 1258098338 is about 35469.6819551571. The cubic root of 1258098338 is about 1079.5386512597.

The spelling of 1258098338 in words is "one billion, two hundred fifty-eight million, ninety-eight thousand, three hundred thirty-eight".