126020030049 has 27 divisors (see below), whose sum is σ = 183160407027. Its totient is φ = 83494353600.

The previous prime is 126020029943. The next prime is 126020030053. The reversal of 126020030049 is 940030020621.

The square root of 126020030049 is 354993.

It is a perfect power (a square), and thus also a powerful number.

126020030049 is a `hidden beast` number, since 12 + 602 + 0 + 0 + 3 + 0 + 0 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94775932449 + 31244097600 = 307857^2 + 176760^2 .

It is not a de Polignac number, because 126020030049 - 2¹³ = 126020021857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126020032049) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 256659694 + ... + 256660184.

Almost surely, 2^126020030049 is an apocalyptic number.

126020030049 is the 354993-rd square number.

126020030049 is the 177497-th centered octagonal number.

It is an amenable number.

126020030049 is a deficient number, since it is larger than the sum of its proper divisors (57140376978).

126020030049 is an frugal number, since it uses more digits than its factorization.

126020030049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 126020030049 in words is "one hundred twenty-six billion, twenty million, thirty thousand, forty-nine".