1011230442 has 12 divisors (see below), whose sum is σ = 2190999330. Its totient is φ = 337076808.

The previous prime is 1011230419. The next prime is 1011230459. The reversal of 1011230442 is 2440321101.

1011230442 is a `hidden beast` number, since 101 + 123 + 0 + 442 = 666.

1011230442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 629457921 + 381772521 = 25089^2 + 19539^2 .

It is a super-3 number, since 3×1011230442³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56179469 = 1011230442 / (1 + 0 + 1 + 1 + 2 + 3 + 0 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28089717 + ... + 28089752.

Almost surely, 2^1011230442 is an apocalyptic number.

1011230442 is an abundant number, since it is smaller than the sum of its proper divisors (1179768888).

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

1011230442 is a wasteful number, since it uses less digits than its factorization.

1011230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56179477 (or 56179474 counting only the distinct ones).

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

The square root of 1011230442 is about 31799.8497166260. The cubic root of 1011230442 is about 1003.7295538029.

Adding to 1011230442 its reverse (2440321101), we get a palindrome (3451551543).

The spelling of 1011230442 in words is "one billion, eleven million, two hundred thirty thousand, four hundred forty-two".