1225124652 has 48 divisors (see below), whose sum is σ = 3032588160. Its totient is φ = 383615232.

The previous prime is 1225124651. The next prime is 1225124687. The reversal of 1225124652 is 2564215221.

It is a super-2 number, since 2×1225124652² = 3001860825876242208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1225124651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106099 + ... + 117077.

It is an arithmetic number, because the mean of its divisors is an integer number (63178920).

Almost surely, 2^1225124652 is an apocalyptic number.

1225124652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1225124652 is an abundant number, since it is smaller than the sum of its proper divisors (1807463508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225124652 is a wasteful number, since it uses less digits than its factorization.

1225124652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11550 (or 11548 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1225124652 is about 35001.7806975588. The cubic root of 1225124652 is about 1070.0237721449.

Adding to 1225124652 its reverse (2564215221), we get a palindrome (3789339873).

The spelling of 1225124652 in words is "one billion, two hundred twenty-five million, one hundred twenty-four thousand, six hundred fifty-two".