1021050140 has 24 divisors (see below), whose sum is σ = 2339133552. Its totient is φ = 371290880.

The previous prime is 1021050127. The next prime is 1021050143. The reversal of 1021050140 is 410501201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021050143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320349 + ... + 2320788.

It is an arithmetic number, because the mean of its divisors is an integer number (97463898).

Almost surely, 2^1021050140 is an apocalyptic number.

1021050140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021050140 is an abundant number, since it is smaller than the sum of its proper divisors (1318083412).

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

1021050140 is a wasteful number, since it uses less digits than its factorization.

1021050140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641157 (or 4641155 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1021050140 is about 31953.8751953499. The cubic root of 1021050140 is about 1006.9680468812.

Adding to 1021050140 its reverse (410501201), we get a palindrome (1431551341).

The spelling of 1021050140 in words is "one billion, twenty-one million, fifty thousand, one hundred forty".