126020187 has 12 divisors (see below), whose sum is σ = 186949360. Its totient is φ = 81742608.

The previous prime is 126020171. The next prime is 126020203. The reversal of 126020187 is 781020621.

It is an interprime number because it is at equal distance from previous prime (126020171) and next prime (126020203).

It is not a de Polignac number, because 126020187 - 2⁴ = 126020171 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 126020187.

It is not an unprimeable number, because it can be changed into a prime (126020137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188887 + ... + 189552.

Almost surely, 2^126020187 is an apocalyptic number.

126020187 is a deficient number, since it is larger than the sum of its proper divisors (60929173).

126020187 is a wasteful number, since it uses less digits than its factorization.

126020187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378482 (or 378479 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 126020187 is about 11225.8713247569. The cubic root of 126020187 is about 501.3565654650.

The spelling of 126020187 in words is "one hundred twenty-six million, twenty thousand, one hundred eighty-seven".