1042251000 has 256 divisors, whose sum is σ = 3838648320. Its totient is φ = 230400000.

The previous prime is 1042250999. The next prime is 1042251043. The reversal of 1042251000 is 1522401.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 650200 + ... + 651800.

It is an arithmetic number, because the mean of its divisors is an integer number (14994720).

Almost surely, 2^1042251000 is an apocalyptic number.

1042251000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042251000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1919324160).

1042251000 is an abundant number, since it is smaller than the sum of its proper divisors (2796397320).

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

1042251000 is a wasteful number, since it uses less digits than its factorization.

1042251000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1042251000 is about 32283.9124023096. The cubic root of 1042251000 is about 1013.8898456098.

Adding to 1042251000 its reverse (1522401), we get a palindrome (1043773401).

The spelling of 1042251000 in words is "one billion, forty-two million, two hundred fifty-one thousand".