126631230 has 64 divisors (see below), whose sum is σ = 332640000. Its totient is φ = 30597120.

The previous prime is 126631217. The next prime is 126631243. The reversal of 126631230 is 32136621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126631217) and next prime (126631243).

It is a super-2 number, since 2×126631230² = 32070936822625800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126631230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164286 + ... + 165054.

It is an arithmetic number, because the mean of its divisors is an integer number (5197500).

Almost surely, 2^126631230 is an apocalyptic number.

126631230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126631230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166320000).

126631230 is an abundant number, since it is smaller than the sum of its proper divisors (206008770).

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

126631230 is a wasteful number, since it uses less digits than its factorization.

126631230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 126631230 is about 11253.0542520686. The cubic root of 126631230 is about 502.1655803158.

Adding to 126631230 its reverse (32136621), we get a palindrome (158767851).

The spelling of 126631230 in words is "one hundred twenty-six million, six hundred thirty-one thousand, two hundred thirty".