42120153403 has 2 divisors, whose sum is σ = 42120153404. Its totient is φ = 42120153402.

The previous prime is 42120153331. The next prime is 42120153433. The reversal of 42120153403 is 30435102124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42120153403 - 2¹⁷ = 42120022331 is a prime.

It is not a weakly prime, because it can be changed into another prime (42120153433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21060076701 + 21060076702.

It is an arithmetic number, because the mean of its divisors is an integer number (21060076702).

Almost surely, 2^42120153403 is an apocalyptic number.

42120153403 is a deficient number, since it is larger than the sum of its proper divisors (1).

42120153403 is an equidigital number, since it uses as much as digits as its factorization.

42120153403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 42120153403 its reverse (30435102124), we get a palindrome (72555255527).

The spelling of 42120153403 in words is "forty-two billion, one hundred twenty million, one hundred fifty-three thousand, four hundred three".