126522071 has 8 divisors (see below), whose sum is σ = 138174624. Its totient is φ = 115143840.

The previous prime is 126522037. The next prime is 126522079. The reversal of 126522071 is 170225621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126522071 - 2¹⁰ = 126521047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126522071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126522079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67616 + ... + 69461.

It is an arithmetic number, because the mean of its divisors is an integer number (17271828).

Almost surely, 2^126522071 is an apocalyptic number.

126522071 is a deficient number, since it is larger than the sum of its proper divisors (11652553).

126522071 is a wasteful number, since it uses less digits than its factorization.

126522071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137161.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 126522071 is about 11248.2030120371. The cubic root of 126522071 is about 502.0212461180.

Adding to 126522071 its reverse (170225621), we get a palindrome (296747692).

The spelling of 126522071 in words is "one hundred twenty-six million, five hundred twenty-two thousand, seventy-one".