1025787098 has 32 divisors (see below), whose sum is σ = 1796065920. Its totient is φ = 430295040.

The previous prime is 1025787031. The next prime is 1025787107. The reversal of 1025787098 is 8907875201.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196490 + ... + 201642.

It is an arithmetic number, because the mean of its divisors is an integer number (56127060).

Almost surely, 2^1025787098 is an apocalyptic number.

1025787098 is a deficient number, since it is larger than the sum of its proper divisors (770278822).

1025787098 is a wasteful number, since it uses less digits than its factorization.

1025787098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462.

The product of its (nonzero) digits is 282240, while the sum is 47.

The square root of 1025787098 is about 32027.9112337973. The cubic root of 1025787098 is about 1008.5228539302.

The spelling of 1025787098 in words is "one billion, twenty-five million, seven hundred eighty-seven thousand, ninety-eight".