1225124031 has 8 divisors (see below), whose sum is σ = 1637187840. Its totient is φ = 814904792.

The previous prime is 1225124029. The next prime is 1225124059. The reversal of 1225124031 is 1304215221.

1225124031 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1225124031 - 2¹ = 1225124029 is a prime.

It is a super-2 number, since 2×1225124031² = 3001857782667377922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1225123989 and 1225124007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225124081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459591 + ... + 462248.

It is an arithmetic number, because the mean of its divisors is an integer number (204648480).

Almost surely, 2^1225124031 is an apocalyptic number.

1225124031 is a deficient number, since it is larger than the sum of its proper divisors (412063809).

1225124031 is an equidigital number, since it uses as much as digits as its factorization.

1225124031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922285.

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

The square root of 1225124031 is about 35001.7718265804. The cubic root of 1225124031 is about 1070.0235913511.

Adding to 1225124031 its reverse (1304215221), we get a palindrome (2529339252).

The spelling of 1225124031 in words is "one billion, two hundred twenty-five million, one hundred twenty-four thousand, thirty-one".