126231100 has 18 divisors (see below), whose sum is σ = 273921704. Its totient is φ = 50492400.

The previous prime is 126231097. The next prime is 126231109. The reversal of 126231100 is 1132621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126231109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631056 + ... + 631255.

Almost surely, 2^126231100 is an apocalyptic number.

126231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126231100 is an abundant number, since it is smaller than the sum of its proper divisors (147690604).

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

126231100 is a wasteful number, since it uses less digits than its factorization.

126231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262325 (or 1262318 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 126231100 is about 11235.2614566818. The cubic root of 126231100 is about 501.6361071341.

Adding to 126231100 its reverse (1132621), we get a palindrome (127363721).

The spelling of 126231100 in words is "one hundred twenty-six million, two hundred thirty-one thousand, one hundred".