1221062062 has 16 divisors (see below), whose sum is σ = 2014619184. Its totient is φ = 555027000.

The previous prime is 1221062027. The next prime is 1221062119. The reversal of 1221062062 is 2602601221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226689 + ... + 232012.

It is an arithmetic number, because the mean of its divisors is an integer number (125913699).

Almost surely, 2^1221062062 is an apocalyptic number.

1221062062 is a deficient number, since it is larger than the sum of its proper divisors (793557122).

1221062062 is an equidigital number, since it uses as much as digits as its factorization.

1221062062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458736 (or 458714 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1221062062 is about 34943.6984590927. The cubic root of 1221062062 is about 1068.8397071082.

Adding to 1221062062 its reverse (2602601221), we get a palindrome (3823663283).

The spelling of 1221062062 in words is "one billion, two hundred twenty-one million, sixty-two thousand, sixty-two".