1225751135 has 8 divisors (see below), whose sum is σ = 1681030176. Its totient is φ = 840515040.

The previous prime is 1225751101. The next prime is 1225751147. The reversal of 1225751135 is 5311575221.

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

It is not a de Polignac number, because 1225751135 - 2¹⁰ = 1225750111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17510696 + ... + 17510765.

It is an arithmetic number, because the mean of its divisors is an integer number (210128772).

Almost surely, 2^1225751135 is an apocalyptic number.

1225751135 is a deficient number, since it is larger than the sum of its proper divisors (455279041).

1225751135 is an equidigital number, since it uses as much as digits as its factorization.

1225751135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35021473.

The product of its digits is 10500, while the sum is 32.

The square root of 1225751135 is about 35010.7288555951. The cubic root of 1225751135 is about 1070.2061311317.

The spelling of 1225751135 in words is "one billion, two hundred twenty-five million, seven hundred fifty-one thousand, one hundred thirty-five".