1270204000 has 144 divisors (see below), whose sum is σ = 3381225120. Its totient is φ = 468748800.

The previous prime is 1270203971. The next prime is 1270204021. The reversal of 1270204000 is 4020721.

It is a super-2 number, since 2×1270204000² = 3226836403232000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675061 + ... + 676939.

It is an arithmetic number, because the mean of its divisors is an integer number (23480730).

Almost surely, 2^1270204000 is an apocalyptic number.

1270204000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690612560).

1270204000 is an abundant number, since it is smaller than the sum of its proper divisors (2111021120).

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

1270204000 is a wasteful number, since it uses less digits than its factorization.

1270204000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1270204000 is about 35639.9214365015. The cubic root of 1270204000 is about 1082.9901134954.

Adding to 1270204000 its reverse (4020721), we get a palindrome (1274224721).

The spelling of 1270204000 in words is "one billion, two hundred seventy million, two hundred four thousand".