1006121244 has 48 divisors (see below), whose sum is σ = 2506936320. Its totient is φ = 313360320.

The previous prime is 1006121243. The next prime is 1006121293. The reversal of 1006121244 is 4421216001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1006121244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006121243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35844 + ... + 57419.

It is an arithmetic number, because the mean of its divisors is an integer number (52227840).

Almost surely, 2^1006121244 is an apocalyptic number.

It is an amenable number.

1006121244 is an abundant number, since it is smaller than the sum of its proper divisors (1500815076).

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

1006121244 is a wasteful number, since it uses less digits than its factorization.

1006121244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93330 (or 93328 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1006121244 is about 31719.4143073292. The cubic root of 1006121244 is about 1002.0362654752.

Adding to 1006121244 its reverse (4421216001), we get a palindrome (5427337245).

The spelling of 1006121244 in words is "one billion, six million, one hundred twenty-one thousand, two hundred forty-four".