1051135523 has 8 divisors (see below), whose sum is σ = 1058177520. Its totient is φ = 1044117280.

The previous prime is 1051135493. The next prime is 1051135543. The reversal of 1051135523 is 3255311501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1051135523 - 2¹² = 1051131427 is a prime.

It is a super-2 number, since 2×1051135523² = 2209771775424967058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051135492 and 1051135501.

It is not an unprimeable number, because it can be changed into a prime (1051135543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87713 + ... + 98973.

It is an arithmetic number, because the mean of its divisors is an integer number (132272190).

Almost surely, 2^1051135523 is an apocalyptic number.

1051135523 is a deficient number, since it is larger than the sum of its proper divisors (7041997).

1051135523 is a wasteful number, since it uses less digits than its factorization.

1051135523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1051135523 is about 32421.2202577263. The cubic root of 1051135523 is about 1016.7626189231.

The spelling of 1051135523 in words is "one billion, fifty-one million, one hundred thirty-five thousand, five hundred twenty-three".