126020401323034 has 4 divisors (see below), whose sum is σ = 189030601984554. Its totient is φ = 63010200661516.

The previous prime is 126020401323031. The next prime is 126020401323119. The reversal of 126020401323034 is 430323104020621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122067474012225 + 3952927310809 = 11048415^2 + 1988197^2 .

It is a super-2 number, since 2×126020401323034² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126020401322987 and 126020401323005.

It is not an unprimeable number, because it can be changed into a prime (126020401323031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31505100330757 + ... + 31505100330760.

Almost surely, 2^{126020401323034} is an apocalyptic number.

126020401323034 is a deficient number, since it is larger than the sum of its proper divisors (63010200661520).

126020401323034 is an equidigital number, since it uses as much as digits as its factorization.

126020401323034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63010200661519.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 126020401323034 its reverse (430323104020621), we get a palindrome (556343505343655).

The spelling of 126020401323034 in words is "one hundred twenty-six trillion, twenty billion, four hundred one million, three hundred twenty-three thousand, thirty-four".