1051120040 has 16 divisors (see below), whose sum is σ = 2365020180. Its totient is φ = 420448000.

The previous prime is 1051120039. The next prime is 1051120061. The reversal of 1051120040 is 400211501.

It can be written as a sum of positive squares in 2 ways, for example, as 884348644 + 166771396 = 29738^2 + 12914^2 .

It is a super-2 number, since 2×1051120040² = 2209706676979203200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051119997 and 1051120024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13138961 + ... + 13139040.

Almost surely, 2^1051120040 is an apocalyptic number.

1051120040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051120040 is an abundant number, since it is smaller than the sum of its proper divisors (1313900140).

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

1051120040 is a wasteful number, since it uses less digits than its factorization.

1051120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26278012 (or 26278008 counting only the distinct ones).

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

The square root of 1051120040 is about 32420.9814780491. The cubic root of 1051120040 is about 1016.7576266671.

Adding to 1051120040 its reverse (400211501), we get a palindrome (1451331541).

The spelling of 1051120040 in words is "one billion, fifty-one million, one hundred twenty thousand, forty".