1051103428 has 12 divisors (see below), whose sum is σ = 1840950972. Its totient is φ = 525117440.

The previous prime is 1051103423. The next prime is 1051103491. The reversal of 1051103428 is 8243011501.

It can be written as a sum of positive squares in 2 ways, for example, as 782209024 + 268894404 = 27968^2 + 16398^2 .

It is a super-2 number, since 2×1051103428² = 2209636832706702368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051103423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103093 + ... + 112828.

It is an arithmetic number, because the mean of its divisors is an integer number (153412581).

Almost surely, 2^1051103428 is an apocalyptic number.

It is an amenable number.

1051103428 is a deficient number, since it is larger than the sum of its proper divisors (789847544).

1051103428 is a wasteful number, since it uses less digits than its factorization.

1051103428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217142 (or 217140 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1051103428 is about 32420.7252849161. The cubic root of 1051103428 is about 1016.7522703278.

Adding to 1051103428 its reverse (8243011501), we get a palindrome (9294114929).

The spelling of 1051103428 in words is "one billion, fifty-one million, one hundred three thousand, four hundred twenty-eight".