4425121007 has 4 divisors (see below), whose sum is σ = 4435341120. Its totient is φ = 4414900896.

The previous prime is 4425121003. The next prime is 4425121039. The reversal of 4425121007 is 7001215244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4425121007 - 2² = 4425121003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4425121003) 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, 5109407 + ... + 5110272.

It is an arithmetic number, because the mean of its divisors is an integer number (1108835280).

Almost surely, 2^4425121007 is an apocalyptic number.

4425121007 is a deficient number, since it is larger than the sum of its proper divisors (10220113).

4425121007 is a wasteful number, since it uses less digits than its factorization.

4425121007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220112.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 4425121007 is about 66521.5830163414. The cubic root of 4425121007 is about 1641.7551365151.

The spelling of 4425121007 in words is "four billion, four hundred twenty-five million, one hundred twenty-one thousand, seven".