1011642126 has 16 divisors (see below), whose sum is σ = 2207219328. Its totient is φ = 306558200.

The previous prime is 1011642109. The next prime is 1011642131. The reversal of 1011642126 is 6212461101.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011642096 and 1011642105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7663890 + ... + 7664021.

It is an arithmetic number, because the mean of its divisors is an integer number (137951208).

Almost surely, 2^1011642126 is an apocalyptic number.

1011642126 is an abundant number, since it is smaller than the sum of its proper divisors (1195577202).

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

1011642126 is a wasteful number, since it uses less digits than its factorization.

1011642126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15327927.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1011642126 is about 31806.3221074050. The cubic root of 1011642126 is about 1003.8657454224.

The spelling of 1011642126 in words is "one billion, eleven million, six hundred forty-two thousand, one hundred twenty-six".