1258376250 has 40 divisors (see below), whose sum is σ = 3144943296. Its totient is φ = 335566000.

The previous prime is 1258376237. The next prime is 1258376267. The reversal of 1258376250 is 526738521.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1258376199 and 1258376208.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 164034 + ... + 171533.

Almost surely, 2^1258376250 is an apocalyptic number.

1258376250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1258376250 is an abundant number, since it is smaller than the sum of its proper divisors (1886567046).

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

1258376250 is an equidigital number, since it uses as much as digits as its factorization.

1258376250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335592 (or 335577 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1258376250 is about 35473.5993380993. The cubic root of 1258376250 is about 1079.6181348868.

The spelling of 1258376250 in words is "one billion, two hundred fifty-eight million, three hundred seventy-six thousand, two hundred fifty".