1012121046 has 96 divisors (see below), whose sum is σ = 2339850240. Its totient is φ = 315705600.

The previous prime is 1012121029. The next prime is 1012121053. The reversal of 1012121046 is 6401212101.

It is a super-2 number, since 2×1012121046² = 2048778023512268232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 47 ways as a sum of consecutive naturals, for example, 2337246 + ... + 2337678.

It is an arithmetic number, because the mean of its divisors is an integer number (24373440).

Almost surely, 2^1012121046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012121046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169925120).

1012121046 is an abundant number, since it is smaller than the sum of its proper divisors (1327729194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012121046 is a wasteful number, since it uses less digits than its factorization.

1012121046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1012121046 is about 31813.8499084911. The cubic root of 1012121046 is about 1004.0241332961.

Adding to 1012121046 its reverse (6401212101), we get a palindrome (7413333147).

The spelling of 1012121046 in words is "one billion, twelve million, one hundred twenty-one thousand, forty-six".