1051244140 has 24 divisors (see below), whose sum is σ = 2208395952. Its totient is φ = 420348480.

The previous prime is 1051244119. The next prime is 1051244191. The reversal of 1051244140 is 414421501.

It is a super-2 number, since 2×1051244140² = 2210228483768679200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61627 + ... + 76813.

It is an arithmetic number, because the mean of its divisors is an integer number (92016498).

Almost surely, 2^1051244140 is an apocalyptic number.

1051244140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051244140 is an abundant number, since it is smaller than the sum of its proper divisors (1157151812).

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

1051244140 is a wasteful number, since it uses less digits than its factorization.

1051244140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18657 (or 18655 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1051244140 is about 32422.8953056324. The cubic root of 1051244140 is about 1016.7976394317.

Adding to 1051244140 its reverse (414421501), we get a palindrome (1465665641).

The spelling of 1051244140 in words is "one billion, fifty-one million, two hundred forty-four thousand, one hundred forty".