1225501505234 has 4 divisors (see below), whose sum is σ = 1838252257854. Its totient is φ = 612750752616.

The previous prime is 1225501505231. The next prime is 1225501505287. The reversal of 1225501505234 is 4325051055221.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 633751327225 + 591750178009 = 796085^2 + 769253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1225501505194 and 1225501505203.

It is not an unprimeable number, because it can be changed into a prime (1225501505231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306375376307 + ... + 306375376310.

Almost surely, 2^{1225501505234} is an apocalyptic number.

1225501505234 is a deficient number, since it is larger than the sum of its proper divisors (612750752620).

1225501505234 is an equidigital number, since it uses as much as digits as its factorization.

1225501505234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612750752619.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 1225501505234 in words is "one trillion, two hundred twenty-five billion, five hundred one million, five hundred five thousand, two hundred thirty-four".