1225140004 has 81 divisors (see below), whose sum is σ = 2479672881. Its totient is φ = 529230240.

The previous prime is 1225139977. The next prime is 1225140013. The reversal of 1225140004 is 4000415221.

The square root of 1225140004 is 35002.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1096272100 + 128867904 = 33110^2 + 11352^2 .

It is a super-2 number, since 2×1225140004² = 3001936058802240032, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 28491607 + ... + 28491649.

Almost surely, 2^1225140004 is an apocalyptic number.

1225140004 is the 35002-nd square number.

It is an amenable number.

1225140004 is an abundant number, since it is smaller than the sum of its proper divisors (1254532877).

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

1225140004 is a wasteful number, since it uses less digits than its factorization.

1225140004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The cubic root of 1225140004 is about 1070.0282416047.

Adding to 1225140004 its reverse (4000415221), we get a palindrome (5225555225).

The spelling of 1225140004 in words is "one billion, two hundred twenty-five million, one hundred forty thousand, four".