1011429888 has 160 divisors (see below), whose sum is σ = 3242173440. Its totient is φ = 273715200.

The previous prime is 1011429871. The next prime is 1011429889. The reversal of 1011429888 is 8889241101.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1011429889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201813 + ... + 206763.

It is an arithmetic number, because the mean of its divisors is an integer number (20263584).

Almost surely, 2^1011429888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011429888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621086720).

1011429888 is an abundant number, since it is smaller than the sum of its proper divisors (2230743552).

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

1011429888 is an equidigital number, since it uses as much as digits as its factorization.

1011429888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998 (or 4982 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 42.

The square root of 1011429888 is about 31802.9855202306. The cubic root of 1011429888 is about 1003.7955383291.

The spelling of 1011429888 in words is "one billion, eleven million, four hundred twenty-nine thousand, eight hundred eighty-eight".