1051507490 has 32 divisors (see below), whose sum is σ = 2068481664. Its totient is φ = 381680640.

The previous prime is 1051507489. The next prime is 1051507517. The reversal of 1051507490 is 947051501.

It is a super-2 number, since 2×1051507490² = 2211336003052200200, 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 15 ways as a sum of consecutive naturals, for example, 55187 + ... + 71753.

It is an arithmetic number, because the mean of its divisors is an integer number (64640052).

Almost surely, 2^1051507490 is an apocalyptic number.

1051507490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051507490 is a deficient number, since it is larger than the sum of its proper divisors (1016974174).

1051507490 is a wasteful number, since it uses less digits than its factorization.

1051507490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17162.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 1051507490 is about 32426.9562247214. The cubic root of 1051507490 is about 1016.8825392474.

Adding to 1051507490 its reverse (947051501), we get a palindrome (1998558991).

The spelling of 1051507490 in words is "one billion, fifty-one million, five hundred seven thousand, four hundred ninety".