45120001 has 2 divisors, whose sum is σ = 45120002. Its totient is φ = 45120000.

The previous prime is 45119959. The next prime is 45120007. The reversal of 45120001 is 10002154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 1560001 = 6600^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 45120001 - 2⁹ = 45119489 is a prime.

It is not a weakly prime, because it can be changed into another prime (45120007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22560000 + 22560001.

It is an arithmetic number, because the mean of its divisors is an integer number (22560001).

Almost surely, 2^45120001 is an apocalyptic number.

It is an amenable number.

45120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

45120001 is an equidigital number, since it uses as much as digits as its factorization.

45120001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 45120001 is about 6717.1423239351. The cubic root of 45120001 is about 356.0052207499.

Adding to 45120001 its reverse (10002154), we get a palindrome (55122155).

It can be divided in two parts, 45 and 120001, that multiplied together give a palindrome (5400045).

The spelling of 45120001 in words is "forty-five million, one hundred twenty thousand, one".