1225250534 has 8 divisors (see below), whose sum is σ = 1852347648. Its totient is φ = 607801320.

The previous prime is 1225250501. The next prime is 1225250539. The reversal of 1225250534 is 4350525221.

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 = 1225250497 and 1225250506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225250539) 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, 2411657 + ... + 2412164.

It is an arithmetic number, because the mean of its divisors is an integer number (231543456).

Almost surely, 2^1225250534 is an apocalyptic number.

1225250534 is a deficient number, since it is larger than the sum of its proper divisors (627097114).

1225250534 is a wasteful number, since it uses less digits than its factorization.

1225250534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823950.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1225250534 is about 35003.5788741666. The cubic root of 1225250534 is about 1070.0604193326.

Adding to 1225250534 its reverse (4350525221), we get a palindrome (5575775755).

The spelling of 1225250534 in words is "one billion, two hundred twenty-five million, two hundred fifty thousand, five hundred thirty-four".