1431000121 has 8 divisors (see below), whose sum is σ = 1447919424. Its totient is φ = 1414180560.

The previous prime is 1431000091. The next prime is 1431000133. The reversal of 1431000121 is 1210001341.

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 1431000121 - 2¹¹ = 1430998073 is a prime.

It is a super-2 number, since 2×1431000121² = 4095522692604029282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431006121) 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, 4126 + ... + 53656.

It is an arithmetic number, because the mean of its divisors is an integer number (180989928).

Almost surely, 2^1431000121 is an apocalyptic number.

It is an amenable number.

1431000121 is a deficient number, since it is larger than the sum of its proper divisors (16919303).

1431000121 is a wasteful number, since it uses less digits than its factorization.

1431000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49871.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1431000121 is about 37828.5622380761. The cubic root of 1431000121 is about 1126.8857580281.

Adding to 1431000121 its reverse (1210001341), we get a palindrome (2641001462).

The spelling of 1431000121 in words is "one billion, four hundred thirty-one million, one hundred twenty-one", and thus it is an aban number.