1051253135 has 4 divisors (see below), whose sum is σ = 1261503768. Its totient is φ = 841002504.

The previous prime is 1051253131. The next prime is 1051253141. The reversal of 1051253135 is 5313521501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1051253135 - 2² = 1051253131 is a prime.

It is a super-2 number, since 2×1051253135² = 2210266307694656450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051253131) 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, 105125309 + ... + 105125318.

It is an arithmetic number, because the mean of its divisors is an integer number (315375942).

Almost surely, 2^1051253135 is an apocalyptic number.

1051253135 is a deficient number, since it is larger than the sum of its proper divisors (210250633).

1051253135 is an equidigital number, since it uses as much as digits as its factorization.

1051253135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210250632.

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

The square root of 1051253135 is about 32423.0340190427. The cubic root of 1051253135 is about 1016.8005395093.

Adding to 1051253135 its reverse (5313521501), we get a palindrome (6364774636).

The spelling of 1051253135 in words is "one billion, fifty-one million, two hundred fifty-three thousand, one hundred thirty-five".