1141201305 has 80 divisors (see below), whose sum is σ = 2100288960. Its totient is φ = 592624512.

The previous prime is 1141201291. The next prime is 1141201319. The reversal of 1141201305 is 5031021411.

It is an interprime number because it is at equal distance from previous prime (1141201291) and next prime (1141201319).

It is not a de Polignac number, because 1141201305 - 2⁸ = 1141201049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3894739 + ... + 3895031.

It is an arithmetic number, because the mean of its divisors is an integer number (26253612).

Almost surely, 2^1141201305 is an apocalyptic number.

1141201305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141201305 is a deficient number, since it is larger than the sum of its proper divisors (959087655).

1141201305 is a wasteful number, since it uses less digits than its factorization.

1141201305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1141201305 is about 33781.6711398356. The cubic root of 1141201305 is about 1045.0107383495.

Adding to 1141201305 its reverse (5031021411), we get a palindrome (6172222716).

The spelling of 1141201305 in words is "one billion, one hundred forty-one million, two hundred one thousand, three hundred five".