1201243042 has 8 divisors (see below), whose sum is σ = 1896699600. Its totient is φ = 569009844.

The previous prime is 1201243031. The next prime is 1201243063. The reversal of 1201243042 is 2403421021.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15805792 + ... + 15805867.

It is an arithmetic number, because the mean of its divisors is an integer number (237087450).

Almost surely, 2^1201243042 is an apocalyptic number.

1201243042 is a deficient number, since it is larger than the sum of its proper divisors (695456558).

1201243042 is a wasteful number, since it uses less digits than its factorization.

1201243042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31611680.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1201243042 is about 34658.9532732886. The cubic root of 1201243042 is about 1063.0253673472.

Adding to 1201243042 its reverse (2403421021), we get a palindrome (3604664063).

The spelling of 1201243042 in words is "one billion, two hundred one million, two hundred forty-three thousand, forty-two".