1225506134 has 8 divisors (see below), whose sum is σ = 1839074760. Its totient is φ = 612481216.

The previous prime is 1225506133. The next prime is 1225506181. The reversal of 1225506134 is 4316055221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1225506097 and 1225506106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225506133) 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, 130244 + ... + 139335.

It is an arithmetic number, because the mean of its divisors is an integer number (229884345).

Almost surely, 2^1225506134 is an apocalyptic number.

1225506134 is a deficient number, since it is larger than the sum of its proper divisors (613568626).

1225506134 is a wasteful number, since it uses less digits than its factorization.

1225506134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271854.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1225506134 is about 35007.2297390125. The cubic root of 1225506134 is about 1070.1348227353.

The spelling of 1225506134 in words is "one billion, two hundred twenty-five million, five hundred six thousand, one hundred thirty-four".