126122051 has 6 divisors (see below), whose sum is σ = 138630156. Its totient is φ = 114656300.

The previous prime is 126122039. The next prime is 126122081. The reversal of 126122051 is 150221621.

It is not a de Polignac number, because 126122051 - 2¹⁰ = 126121027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126122081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521045 + ... + 521286.

It is an arithmetic number, because the mean of its divisors is an integer number (23105026).

Almost surely, 2^126122051 is an apocalyptic number.

126122051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

126122051 is a deficient number, since it is larger than the sum of its proper divisors (12508105).

126122051 is a wasteful number, since it uses less digits than its factorization.

126122051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042353 (or 1042342 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 126122051 is about 11230.4074280500. The cubic root of 126122051 is about 501.4916137519.

Adding to 126122051 its reverse (150221621), we get a palindrome (276343672).

The spelling of 126122051 in words is "one hundred twenty-six million, one hundred twenty-two thousand, fifty-one".