1200041431 has 4 divisors (see below), whose sum is σ = 1241422200. Its totient is φ = 1158660664.

The previous prime is 1200041429. The next prime is 1200041443. The reversal of 1200041431 is 1341400021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1341400021 = 13 ⋅103184617.

It is not a de Polignac number, because 1200041431 - 2¹ = 1200041429 is a prime.

It is a super-2 number, since 2×1200041431² = 2880198872233055522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200041411) 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, 20690341 + ... + 20690398.

It is an arithmetic number, because the mean of its divisors is an integer number (310355550).

Almost surely, 2^1200041431 is an apocalyptic number.

1200041431 is a deficient number, since it is larger than the sum of its proper divisors (41380769).

1200041431 is an equidigital number, since it uses as much as digits as its factorization.

1200041431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41380768.

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

The square root of 1200041431 is about 34641.6141511910. The cubic root of 1200041431 is about 1062.6707987661.

Adding to 1200041431 its reverse (1341400021), we get a palindrome (2541441452).

The spelling of 1200041431 in words is "one billion, two hundred million, forty-one thousand, four hundred thirty-one".