1225053401 has 16 divisors (see below), whose sum is σ = 1441043520. Its totient is φ = 1026717120.

The previous prime is 1225053377. The next prime is 1225053407. The reversal of 1225053401 is 1043505221.

It is a de Polignac number, because none of the positive numbers 2^k-1225053401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225053407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117851 + ... + 127823.

It is an arithmetic number, because the mean of its divisors is an integer number (90065220).

Almost surely, 2^1225053401 is an apocalyptic number.

1225053401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1225053401 is a deficient number, since it is larger than the sum of its proper divisors (215990119).

1225053401 is a wasteful number, since it uses less digits than its factorization.

1225053401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10856.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1225053401 is about 35000.7628631149. The cubic root of 1225053401 is about 1070.0030282035.

Adding to 1225053401 its reverse (1043505221), we get a palindrome (2268558622).

The spelling of 1225053401 in words is "one billion, two hundred twenty-five million, fifty-three thousand, four hundred one".