1220046025 has 36 divisors (see below), whose sum is σ = 1674531712. Its totient is φ = 881100000.

The previous prime is 1220046001. The next prime is 1220046043. The reversal of 1220046025 is 5206400221.

It is a de Polignac number, because none of the positive numbers 2^k-1220046025 is a prime.

It is a super-3 number, since 3×1220046025³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220045987 and 1220046005.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 455440 + ... + 458110.

Almost surely, 2^1220046025 is an apocalyptic number.

It is an amenable number.

1220046025 is a deficient number, since it is larger than the sum of its proper divisors (454485687).

1220046025 is a wasteful number, since it uses less digits than its factorization.

1220046025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1220046025 is about 34929.1572328907. The cubic root of 1220046025 is about 1068.5431668872.

Adding to 1220046025 its reverse (5206400221), we get a palindrome (6426446246).

The spelling of 1220046025 in words is "one billion, two hundred twenty million, forty-six thousand, twenty-five".