126201155 has 16 divisors (see below), whose sum is σ = 157158144. Its totient is φ = 97184640.

The previous prime is 126201137. The next prime is 126201167. The reversal of 126201155 is 551102621.

It is a happy number.

It is not a de Polignac number, because 126201155 - 2⁶ = 126201091 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 126201155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28469 + ... + 32601.

It is an arithmetic number, because the mean of its divisors is an integer number (9822384).

Almost surely, 2^126201155 is an apocalyptic number.

126201155 is a deficient number, since it is larger than the sum of its proper divisors (30956989).

126201155 is a wasteful number, since it uses less digits than its factorization.

126201155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 126201155 is about 11233.9287428753. The cubic root of 126201155 is about 501.5964373506.

Adding to 126201155 its reverse (551102621), we get a palindrome (677303776).

The spelling of 126201155 in words is "one hundred twenty-six million, two hundred one thousand, one hundred fifty-five".