1011421244 has 6 divisors (see below), whose sum is σ = 1769987184. Its totient is φ = 505710620.

The previous prime is 1011421241. The next prime is 1011421261. The reversal of 1011421244 is 4421241101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011421241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126427652 + ... + 126427659.

It is an arithmetic number, because the mean of its divisors is an integer number (294997864).

Almost surely, 2^1011421244 is an apocalyptic number.

It is an amenable number.

1011421244 is a deficient number, since it is larger than the sum of its proper divisors (758565940).

1011421244 is a wasteful number, since it uses less digits than its factorization.

1011421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252855315 (or 252855313 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1011421244 is about 31802.8496207494. The cubic root of 1011421244 is about 1003.7926787362.

Adding to 1011421244 its reverse (4421241101), we get a palindrome (5432662345).

The spelling of 1011421244 in words is "one billion, eleven million, four hundred twenty-one thousand, two hundred forty-four".