1011012404 has 6 divisors (see below), whose sum is σ = 1769271714. Its totient is φ = 505506200.

The previous prime is 1011012391. The next prime is 1011012407. The reversal of 1011012404 is 4042101101.

It can be written as a sum of positive squares in only one way, i.e., 930372004 + 80640400 = 30502^2 + 8980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011012407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126376547 + ... + 126376554.

It is an arithmetic number, because the mean of its divisors is an integer number (294878619).

Almost surely, 2^1011012404 is an apocalyptic number.

It is an amenable number.

1011012404 is a deficient number, since it is larger than the sum of its proper divisors (758259310).

1011012404 is a wasteful number, since it uses less digits than its factorization.

1011012404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252753105 (or 252753103 counting only the distinct ones).

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

The square root of 1011012404 is about 31796.4212451653. The cubic root of 1011012404 is about 1003.6574083893.

Adding to 1011012404 its reverse (4042101101), we get a palindrome (5053113505).

The spelling of 1011012404 in words is "one billion, eleven million, twelve thousand, four hundred four".