1011126429 has 16 divisors (see below), whose sum is σ = 1506340800. Its totient is φ = 670315248.

The previous prime is 1011126427. The next prime is 1011126433. The reversal of 1011126429 is 9246211101.

1011126429 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 12 + 642 + 9 = 666.

It is not a de Polignac number, because 1011126429 - 2¹ = 1011126427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011126427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99774 + ... + 109439.

It is an arithmetic number, because the mean of its divisors is an integer number (94146300).

Almost surely, 2^1011126429 is an apocalyptic number.

It is an amenable number.

1011126429 is a deficient number, since it is larger than the sum of its proper divisors (495214371).

1011126429 is a wasteful number, since it uses less digits than its factorization.

1011126429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209401 (or 209395 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1011126429 is about 31798.2142423124. The cubic root of 1011126429 is about 1003.6951387981.

The spelling of 1011126429 in words is "one billion, eleven million, one hundred twenty-six thousand, four hundred twenty-nine".