1202022454 has 4 divisors (see below), whose sum is σ = 1803033684. Its totient is φ = 601011226.

The previous prime is 1202022439. The next prime is 1202022487. The reversal of 1202022454 is 4542202021.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 300505612 + ... + 300505615.

It is an arithmetic number, because the mean of its divisors is an integer number (450758421).

Almost surely, 2^1202022454 is an apocalyptic number.

1202022454 is a deficient number, since it is larger than the sum of its proper divisors (601011230).

1202022454 is an equidigital number, since it uses as much as digits as its factorization.

1202022454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601011229.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1202022454 is about 34670.1954710382. The cubic root of 1202022454 is about 1063.2552280188.

Adding to 1202022454 its reverse (4542202021), we get a palindrome (5744224475).

The spelling of 1202022454 in words is "one billion, two hundred two million, twenty-two thousand, four hundred fifty-four".