1225125524240 has 40 divisors (see below), whose sum is σ = 2848666096320. Its totient is φ = 490007327616.

The previous prime is 1225125524221. The next prime is 1225125524263. The reversal of 1225125524240 is 424255215221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×1225125524240³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1225125524240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257891 + ... + 1586429.

It is an arithmetic number, because the mean of its divisors is an integer number (71216652408).

Almost surely, 2^{1225125524240} is an apocalyptic number.

1225125524240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225125524240 is an abundant number, since it is smaller than the sum of its proper divisors (1623540572080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225125524240 is a wasteful number, since it uses less digits than its factorization.

1225125524240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340079 (or 1340073 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 1225125524240 in words is "one trillion, two hundred twenty-five billion, one hundred twenty-five million, five hundred twenty-four thousand, two hundred forty".