126003053 has 4 divisors (see below), whose sum is σ = 137457888. Its totient is φ = 114548220.

The previous prime is 126003049. The next prime is 126003067. The reversal of 126003053 is 350300621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350300621 = 11 ⋅31845511.

It is a cyclic number.

It is not a de Polignac number, because 126003053 - 2² = 126003049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126003013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5727401 + ... + 5727422.

It is an arithmetic number, because the mean of its divisors is an integer number (34364472).

Almost surely, 2^126003053 is an apocalyptic number.

It is an amenable number.

126003053 is a deficient number, since it is larger than the sum of its proper divisors (11454835).

126003053 is a wasteful number, since it uses less digits than its factorization.

126003053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11454834.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 126003053 is about 11225.1081509267. The cubic root of 126003053 is about 501.3338425639. Note that the first 3 decimals are identical.

Adding to 126003053 its reverse (350300621), we get a palindrome (476303674).

The spelling of 126003053 in words is "one hundred twenty-six million, three thousand, fifty-three".