126020331 has 12 divisors (see below), whose sum is σ = 191610120. Its totient is φ = 79591680.

The previous prime is 126020329. The next prime is 126020333. The reversal of 126020331 is 133020621.

It is an interprime number because it is at equal distance from previous prime (126020329) and next prime (126020333).

It is not a de Polignac number, because 126020331 - 2¹ = 126020329 is a prime.

It is a super-2 number, since 2×126020331² = 31762247650699122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126020333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368310 + ... + 368651.

It is an arithmetic number, because the mean of its divisors is an integer number (15967510).

Almost surely, 2^126020331 is an apocalyptic number.

126020331 is a deficient number, since it is larger than the sum of its proper divisors (65589789).

126020331 is a wasteful number, since it uses less digits than its factorization.

126020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736986 (or 736983 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 126020331 is about 11225.8777385111. The cubic root of 126020331 is about 501.3567564273.

Adding to 126020331 its reverse (133020621), we get a palindrome (259040952).

The spelling of 126020331 in words is "one hundred twenty-six million, twenty thousand, three hundred thirty-one".