1023201442 has 4 divisors (see below), whose sum is σ = 1534802166. Its totient is φ = 511600720.

The previous prime is 1023201427. The next prime is 1023201451. The reversal of 1023201442 is 2441023201.

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

It can be written as a sum of positive squares in only one way, i.e., 613503361 + 409698081 = 24769^2 + 20241^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255800359 + ... + 255800362.

Almost surely, 2^1023201442 is an apocalyptic number.

1023201442 is a deficient number, since it is larger than the sum of its proper divisors (511600724).

1023201442 is an equidigital number, since it uses as much as digits as its factorization.

1023201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511600723.

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

The square root of 1023201442 is about 31987.5200976881. The cubic root of 1023201442 is about 1007.6747613520.

Adding to 1023201442 its reverse (2441023201), we get a palindrome (3464224643).

The spelling of 1023201442 in words is "one billion, twenty-three million, two hundred one thousand, four hundred forty-two".