1225425023021 has 8 divisors (see below), whose sum is σ = 1278716972544. Its totient is φ = 1172134123600.

The previous prime is 1225425022993. The next prime is 1225425023083. The reversal of 1225425023021 is 1203205245221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1225425023021 - 2⁶ = 1225425022957 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 (1225425043021) 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, 2968196 + ... + 3355746.

It is an arithmetic number, because the mean of its divisors is an integer number (159839621568).

Almost surely, 2^{1225425023021} is an apocalyptic number.

It is an amenable number.

1225425023021 is a deficient number, since it is larger than the sum of its proper divisors (53291949523).

1225425023021 is a wasteful number, since it uses less digits than its factorization.

1225425023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525051.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 1225425023021 in words is "one trillion, two hundred twenty-five billion, four hundred twenty-five million, twenty-three thousand, twenty-one".