121142001403 has 2 divisors, whose sum is σ = 121142001404. Its totient is φ = 121142001402.

The previous prime is 121142001361. The next prime is 121142001413. The reversal of 121142001403 is 304100241121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121142001403 - 2¹⁷ = 121141870331 is a prime.

It is a super-3 number, since 3×121142001403³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (121142001413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60571000701 + 60571000702.

It is an arithmetic number, because the mean of its divisors is an integer number (60571000702).

Almost surely, 2^121142001403 is an apocalyptic number.

121142001403 is a deficient number, since it is larger than the sum of its proper divisors (1).

121142001403 is an equidigital number, since it uses as much as digits as its factorization.

121142001403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121142001403 its reverse (304100241121), we get a palindrome (425242242524).

The spelling of 121142001403 in words is "one hundred twenty-one billion, one hundred forty-two million, one thousand, four hundred three".