1207090900 has 72 divisors (see below), whose sum is σ = 2809507680. Its totient is φ = 448755840.

The previous prime is 1207090897. The next prime is 1207090903. The reversal of 1207090900 is 90907021.

It is an interprime number because it is at equal distance from previous prime (1207090897) and next prime (1207090903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207090903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94707 + ... + 106693.

It is an arithmetic number, because the mean of its divisors is an integer number (39020940).

Almost surely, 2^1207090900 is an apocalyptic number.

1207090900 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 1207090900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404753840).

1207090900 is an abundant number, since it is smaller than the sum of its proper divisors (1602416780).

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

1207090900 is a wasteful number, since it uses less digits than its factorization.

1207090900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073 (or 12066 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1207090900 is about 34743.2137258487. The cubic root of 1207090900 is about 1064.7475725516.

Adding to 1207090900 its reverse (90907021), we get a palindrome (1297997921).

The spelling of 1207090900 in words is "one billion, two hundred seven million, ninety thousand, nine hundred".