1285701141 has 4 divisors (see below), whose sum is σ = 1714268192. Its totient is φ = 857134092.

The previous prime is 1285701119. The next prime is 1285701149. The reversal of 1285701141 is 1411075821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1285701141 - 2⁶ = 1285701077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1285701099 and 1285701108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285701149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214283521 + ... + 214283526.

It is an arithmetic number, because the mean of its divisors is an integer number (428567048).

Almost surely, 2^1285701141 is an apocalyptic number.

It is an amenable number.

1285701141 is a deficient number, since it is larger than the sum of its proper divisors (428567051).

1285701141 is an equidigital number, since it uses as much as digits as its factorization.

1285701141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428567050.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 1285701141 is about 35856.6749852799. The cubic root of 1285701141 is about 1087.3766673188.

Adding to 1285701141 its reverse (1411075821), we get a palindrome (2696776962).

The spelling of 1285701141 in words is "one billion, two hundred eighty-five million, seven hundred one thousand, one hundred forty-one".