1025692146 has 80 divisors (see below), whose sum is σ = 2377957824. Its totient is φ = 330254496.

The previous prime is 1025692117. The next prime is 1025692163. The reversal of 1025692146 is 6412965201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025692146.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 574371 + ... + 576153.

Almost surely, 2^1025692146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025692146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188978912).

1025692146 is an abundant number, since it is smaller than the sum of its proper divisors (1352265678).

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

1025692146 is a wasteful number, since it uses less digits than its factorization.

1025692146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1025692146 is about 32026.4288674214. The cubic root of 1025692146 is about 1008.4917349917.

The spelling of 1025692146 in words is "one billion, twenty-five million, six hundred ninety-two thousand, one hundred forty-six".