126402106 has 16 divisors (see below), whose sum is σ = 202749480. Its totient is φ = 58892800.

The previous prime is 126402083. The next prime is 126402119. The reversal of 126402106 is 601204621.

It can be written as a sum of positive squares in 4 ways, for example, as 126360081 + 42025 = 11241^2 + 205^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14971 + ... + 21838.

Almost surely, 2^126402106 is an apocalyptic number.

126402106 is a deficient number, since it is larger than the sum of its proper divisors (76347374).

126402106 is a wasteful number, since it uses less digits than its factorization.

126402106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36929.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 126402106 is about 11242.8691178008. The cubic root of 126402106 is about 501.8625280305.

Adding to 126402106 its reverse (601204621), we get a palindrome (727606727).

The spelling of 126402106 in words is "one hundred twenty-six million, four hundred two thousand, one hundred six".