1225251053 has 32 divisors (see below), whose sum is σ = 1382438400. Its totient is φ = 1078811136.

The previous prime is 1225251031. The next prime is 1225251067. The reversal of 1225251053 is 3501525221.

It is not a de Polignac number, because 1225251053 - 2¹⁸ = 1224988909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225259053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4423151 + ... + 4423427.

It is an arithmetic number, because the mean of its divisors is an integer number (43201200).

Almost surely, 2^1225251053 is an apocalyptic number.

1225251053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1225251053 is a deficient number, since it is larger than the sum of its proper divisors (157187347).

1225251053 is a wasteful number, since it uses less digits than its factorization.

1225251053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1225251053 is about 35003.5862876934. The cubic root of 1225251053 is about 1070.0605704204.

Adding to 1225251053 its reverse (3501525221), we get a palindrome (4726776274).

The spelling of 1225251053 in words is "one billion, two hundred twenty-five million, two hundred fifty-one thousand, fifty-three".