1011421004 has 48 divisors (see below), whose sum is σ = 2006301696. Its totient is φ = 441979200.

The previous prime is 1011420989. The next prime is 1011421013. The reversal of 1011421004 is 4001241101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011421004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211787 + ... + 216509.

It is an arithmetic number, because the mean of its divisors is an integer number (41797952).

Almost surely, 2^1011421004 is an apocalyptic number.

It is an amenable number.

1011421004 is a deficient number, since it is larger than the sum of its proper divisors (994880692).

1011421004 is a wasteful number, since it uses less digits than its factorization.

1011421004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926 (or 4924 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1011421004 is about 31802.8458475024. The cubic root of 1011421004 is about 1003.7925993396.

Adding to 1011421004 its reverse (4001241101), we get a palindrome (5012662105).

The spelling of 1011421004 in words is "one billion, eleven million, four hundred twenty-one thousand, four".