126201142 has 4 divisors (see below), whose sum is σ = 189301716. Its totient is φ = 63100570.

The previous prime is 126201137. The next prime is 126201167. The reversal of 126201142 is 241102621.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31550284 + ... + 31550287.

It is an arithmetic number, because the mean of its divisors is an integer number (47325429).

Almost surely, 2^126201142 is an apocalyptic number.

126201142 is a deficient number, since it is larger than the sum of its proper divisors (63100574).

126201142 is an equidigital number, since it uses as much as digits as its factorization.

126201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63100573.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 126201142 is about 11233.9281642709. The cubic root of 126201142 is about 501.5964201275.

Adding to 126201142 its reverse (241102621), we get a palindrome (367303763).

The spelling of 126201142 in words is "one hundred twenty-six million, two hundred one thousand, one hundred forty-two".