1225050144 has 24 divisors (see below), whose sum is σ = 3215756880. Its totient is φ = 408350016.

The previous prime is 1225050139. The next prime is 1225050163. The reversal of 1225050144 is 4410505221.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6380374 + ... + 6380565.

It is an arithmetic number, because the mean of its divisors is an integer number (133989870).

Almost surely, 2^1225050144 is an apocalyptic number.

It is an amenable number.

1225050144 is an abundant number, since it is smaller than the sum of its proper divisors (1990706736).

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

1225050144 is a wasteful number, since it uses less digits than its factorization.

1225050144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760952 (or 12760944 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1225050144 is about 35000.7163355266. The cubic root of 1225050144 is about 1070.0020799447.

Adding to 1225050144 its reverse (4410505221), we get a palindrome (5635555365).

The spelling of 1225050144 in words is "one billion, two hundred twenty-five million, fifty thousand, one hundred forty-four".