1225152526 has 8 divisors (see below), whose sum is σ = 1979092584. Its totient is φ = 565455000.

The previous prime is 1225152497. The next prime is 1225152571. The reversal of 1225152526 is 6252515221.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23560600 + ... + 23560651.

It is an arithmetic number, because the mean of its divisors is an integer number (247386573).

Almost surely, 2^1225152526 is an apocalyptic number.

1225152526 is a deficient number, since it is larger than the sum of its proper divisors (753940058).

1225152526 is a wasteful number, since it uses less digits than its factorization.

1225152526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47121266.

The product of its digits is 12000, while the sum is 31.

The square root of 1225152526 is about 35002.1788750358. The cubic root of 1225152526 is about 1070.0318871331.

Adding to 1225152526 its reverse (6252515221), we get a palindrome (7477667747).

The spelling of 1225152526 in words is "one billion, two hundred twenty-five million, one hundred fifty-two thousand, five hundred twenty-six".