1051251040 has 48 divisors (see below), whose sum is σ = 2838380832. Its totient is φ = 360428544.

The previous prime is 1051251037. The next prime is 1051251079. The reversal of 1051251040 is 401521501.

It is a super-2 number, since 2×1051251040² = 2210257498202163200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051250999 and 1051251017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468189 + ... + 470428.

It is an arithmetic number, because the mean of its divisors is an integer number (59132934).

Almost surely, 2^1051251040 is an apocalyptic number.

1051251040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051251040 is an abundant number, since it is smaller than the sum of its proper divisors (1787129792).

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

1051251040 is an equidigital number, since it uses as much as digits as its factorization.

1051251040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938639 (or 938631 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1051251040 is about 32423.0017117478. The cubic root of 1051251040 is about 1016.7998640619.

Adding to 1051251040 its reverse (401521501), we get a palindrome (1452772541).

The spelling of 1051251040 in words is "one billion, fifty-one million, two hundred fifty-one thousand, forty".