1021114004 has 12 divisors (see below), whose sum is σ = 1790932500. Its totient is φ = 509419008.

The previous prime is 1021114001. The next prime is 1021114013. The reversal of 1021114004 is 4004111201.

It can be written as a sum of positive squares in 2 ways, for example, as 445210000 + 575904004 = 21100^2 + 23998^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1021114004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021114001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282479 + ... + 286070.

It is an arithmetic number, because the mean of its divisors is an integer number (149244375).

Almost surely, 2^1021114004 is an apocalyptic number.

It is an amenable number.

1021114004 is a deficient number, since it is larger than the sum of its proper divisors (769818496).

1021114004 is a wasteful number, since it uses less digits than its factorization.

1021114004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569002 (or 569000 counting only the distinct ones).

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

The square root of 1021114004 is about 31954.8744951377. The cubic root of 1021114004 is about 1006.9890408442.

Adding to 1021114004 its reverse (4004111201), we get a palindrome (5025225205).

The spelling of 1021114004 in words is "one billion, twenty-one million, one hundred fourteen thousand, four".