1201031000 has 64 divisors (see below), whose sum is σ = 3026630880. Its totient is φ = 443452800.

The previous prime is 1201030981. The next prime is 1201031053. The reversal of 1201031000 is 1301021.

It is a super-2 number, since 2×1201031000² = 2884950925922000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33194 + ... + 59193.

Almost surely, 2^1201031000 is an apocalyptic number.

1201031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201031000 is an abundant number, since it is smaller than the sum of its proper divisors (1825599880).

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

1201031000 is a wasteful number, since it uses less digits than its factorization.

1201031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92421 (or 92407 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1201031000 is about 34655.8941595798. The cubic root of 1201031000 is about 1062.9628156733.

Adding to 1201031000 its reverse (1301021), we get a palindrome (1202332021).

The spelling of 1201031000 in words is "one billion, two hundred one million, thirty-one thousand".