1021114404 has 48 divisors (see below), whose sum is σ = 2649057600. Its totient is φ = 340149888.

The previous prime is 1021114373. The next prime is 1021114411. The reversal of 1021114404 is 4044111201.

1021114404 is a `hidden beast` number, since 10 + 211 + 1 + 440 + 4 = 666.

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

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, 315804 + ... + 319020.

It is an arithmetic number, because the mean of its divisors is an integer number (55188700).

Almost surely, 2^1021114404 is an apocalyptic number.

It is an amenable number.

1021114404 is an abundant number, since it is smaller than the sum of its proper divisors (1627943196).

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

1021114404 is a wasteful number, since it uses less digits than its factorization.

1021114404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169 (or 6161 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1021114404 is about 31954.8807539631. The cubic root of 1021114404 is about 1006.9891723332.

Adding to 1021114404 its reverse (4044111201), we get a palindrome (5065225605).

The spelling of 1021114404 in words is "one billion, twenty-one million, one hundred fourteen thousand, four hundred four".