1011204340 has 24 divisors (see below), whose sum is σ = 2172915360. Its totient is φ = 395074848.

The previous prime is 1011204317. The next prime is 1011204347. The reversal of 1011204340 is 434021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011204347) 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, 587050 + ... + 588769.

It is an arithmetic number, because the mean of its divisors is an integer number (90538140).

Almost surely, 2^1011204340 is an apocalyptic number.

1011204340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011204340 is an abundant number, since it is smaller than the sum of its proper divisors (1161711020).

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

1011204340 is a wasteful number, since it uses less digits than its factorization.

1011204340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175871 (or 1175869 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1011204340 is about 31799.4393032330. The cubic root of 1011204340 is about 1003.7209175999.

Adding to 1011204340 its reverse (434021101), we get a palindrome (1445225441).

The spelling of 1011204340 in words is "one billion, eleven million, two hundred four thousand, three hundred forty".