1010042209 has 8 divisors (see below), whose sum is σ = 1119928320. Its totient is φ = 903166800.

The previous prime is 1010042191. The next prime is 1010042273. The reversal of 1010042209 is 9022400101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010042209 - 2⁵ = 1010042177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010042009) 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, 751969 + ... + 753310.

It is an arithmetic number, because the mean of its divisors is an integer number (139991040).

Almost surely, 2^1010042209 is an apocalyptic number.

It is an amenable number.

1010042209 is a deficient number, since it is larger than the sum of its proper divisors (109886111).

1010042209 is a wasteful number, since it uses less digits than its factorization.

1010042209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505351.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1010042209 is about 31781.1612279979. The cubic root of 1010042209 is about 1003.3362599910.

The spelling of 1010042209 in words is "one billion, ten million, forty-two thousand, two hundred nine".