1225124130 has 32 divisors (see below), whose sum is σ = 2941703424. Its totient is φ = 326543616.

The previous prime is 1225124119. The next prime is 1225124149. The reversal of 1225124130 is 314215221.

It is a junction number, because it is equal to n+sod(n) for n = 1225124097 and 1225124106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62922 + ... + 80058.

It is an arithmetic number, because the mean of its divisors is an integer number (91928232).

Almost surely, 2^1225124130 is an apocalyptic number.

1225124130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225124130 is an abundant number, since it is smaller than the sum of its proper divisors (1716579294).

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

1225124130 is a wasteful number, since it uses less digits than its factorization.

1225124130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19530.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1225124130 is about 35001.7732407945. The cubic root of 1225124130 is about 1070.0236201733.

Adding to 1225124130 its reverse (314215221), we get a palindrome (1539339351).

The spelling of 1225124130 in words is "one billion, two hundred twenty-five million, one hundred twenty-four thousand, one hundred thirty".