1225052134 has 4 divisors (see below), whose sum is σ = 1837578204. Its totient is φ = 612526066.

The previous prime is 1225052117. The next prime is 1225052137. The reversal of 1225052134 is 4312505221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1225052099 and 1225052108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225052137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306263032 + ... + 306263035.

It is an arithmetic number, because the mean of its divisors is an integer number (459394551).

Almost surely, 2^1225052134 is an apocalyptic number.

1225052134 is a deficient number, since it is larger than the sum of its proper divisors (612526070).

1225052134 is an equidigital number, since it uses as much as digits as its factorization.

1225052134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612526069.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1225052134 is about 35000.7447635047. The cubic root of 1225052134 is about 1070.0026593232.

Adding to 1225052134 its reverse (4312505221), we get a palindrome (5537557355).

The spelling of 1225052134 in words is "one billion, two hundred twenty-five million, fifty-two thousand, one hundred thirty-four".