1011234402 has 16 divisors (see below), whose sum is σ = 2247187680. Its totient is φ = 337078116.

The previous prime is 1011234391. The next prime is 1011234403. The reversal of 1011234402 is 2044321101.

1011234402 is a `hidden beast` number, since 101 + 123 + 440 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1011234403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9363228 + ... + 9363335.

It is an arithmetic number, because the mean of its divisors is an integer number (140449230).

Almost surely, 2^1011234402 is an apocalyptic number.

1011234402 is an abundant number, since it is smaller than the sum of its proper divisors (1235953278).

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

1011234402 is a wasteful number, since it uses less digits than its factorization.

1011234402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18726574 (or 18726568 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1011234402 is about 31799.9119810103. The cubic root of 1011234402 is about 1003.7308640100.

Adding to 1011234402 its reverse (2044321101), we get a palindrome (3055555503).

The spelling of 1011234402 in words is "one billion, eleven million, two hundred thirty-four thousand, four hundred two".