1202120438 has 8 divisors (see below), whose sum is σ = 1881579888. Its totient is φ = 574927144.

The previous prime is 1202120411. The next prime is 1202120459. The reversal of 1202120438 is 8340212021.

It is a happy number.

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 (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13066481 + ... + 13066572.

It is an arithmetic number, because the mean of its divisors is an integer number (235197486).

Almost surely, 2^1202120438 is an apocalyptic number.

1202120438 is a deficient number, since it is larger than the sum of its proper divisors (679459450).

1202120438 is a wasteful number, since it uses less digits than its factorization.

1202120438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26133078.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1202120438 is about 34671.6085291698. The cubic root of 1202120438 is about 1063.2841179865.

Adding to 1202120438 its reverse (8340212021), we get a palindrome (9542332459).

The spelling of 1202120438 in words is "one billion, two hundred two million, one hundred twenty thousand, four hundred thirty-eight".