1026681250 has 96 divisors (see below), whose sum is σ = 2273854464. Its totient is φ = 340200000.

The previous prime is 1026681241. The next prime is 1026681277. The reversal of 1026681250 is 521866201.

It is a super-4 number, since 4×1026681250⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1355872 + ... + 1356628.

It is an arithmetic number, because the mean of its divisors is an integer number (23685984).

Almost surely, 2^1026681250 is an apocalyptic number.

1026681250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026681250 is an abundant number, since it is smaller than the sum of its proper divisors (1247173214).

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

1026681250 is an frugal number, since it uses more digits than its factorization.

1026681250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1026681250 is about 32041.8671428492. The cubic root of 1026681250 is about 1008.8158032301.

It can be divided in two parts, 1026 and 681250, that added together give a square (682276 = 826²).

The spelling of 1026681250 in words is "one billion, twenty-six million, six hundred eighty-one thousand, two hundred fifty".