1042771261 has 8 divisors (see below), whose sum is σ = 1191970944. Its totient is φ = 893629680.

The previous prime is 1042771181. The next prime is 1042771277. The reversal of 1042771261 is 1621772401.

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 1042771261 - 2¹³ = 1042763069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042771291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35376 + ... + 57766.

It is an arithmetic number, because the mean of its divisors is an integer number (148996368).

Almost surely, 2^1042771261 is an apocalyptic number.

It is an amenable number.

1042771261 is a deficient number, since it is larger than the sum of its proper divisors (149199683).

1042771261 is an equidigital number, since it uses as much as digits as its factorization.

1042771261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29051.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1042771261 is about 32291.9689861117. The cubic root of 1042771261 is about 1014.0585188630.

The spelling of 1042771261 in words is "one billion, forty-two million, seven hundred seventy-one thousand, two hundred sixty-one".