1201022463 has 16 divisors (see below), whose sum is σ = 1620020736. Its totient is φ = 791387520.

The previous prime is 1201022461. The next prime is 1201022489. The reversal of 1201022463 is 3642201021.

It is not a de Polignac number, because 1201022463 - 2¹ = 1201022461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201022461) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 144583 + ... + 152663.

It is an arithmetic number, because the mean of its divisors is an integer number (101251296).

Almost surely, 2^1201022463 is an apocalyptic number.

1201022463 is a deficient number, since it is larger than the sum of its proper divisors (418998273).

1201022463 is a wasteful number, since it uses less digits than its factorization.

1201022463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1201022463 is about 34655.7709912794. The cubic root of 1201022463 is about 1062.9602971330.

Adding to 1201022463 its reverse (3642201021), we get a palindrome (4843223484).

The spelling of 1201022463 in words is "one billion, two hundred one million, twenty-two thousand, four hundred sixty-three".