1270101000 has 256 divisors, whose sum is σ = 4677304320. Its totient is φ = 280800000.

The previous prime is 1270100989. The next prime is 1270101011. The reversal of 1270101000 is 1010721.

It is an interprime number because it is at equal distance from previous prime (1270100989) and next prime (1270101011).

It is a super-2 number, since 2×1270101000² = 3226313100402000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 650025 + ... + 651975.

It is an arithmetic number, because the mean of its divisors is an integer number (18270720).

Almost surely, 2^1270101000 is an apocalyptic number.

1270101000 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 1270101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2338652160).

1270101000 is an abundant number, since it is smaller than the sum of its proper divisors (3407203320).

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

1270101000 is a wasteful number, since it uses less digits than its factorization.

1270101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 1270101000 is about 35638.4763984096. The cubic root of 1270101000 is about 1082.9608397207.

Adding to 1270101000 its reverse (1010721), we get a palindrome (1271111721).

The spelling of 1270101000 in words is "one billion, two hundred seventy million, one hundred one thousand".