1522140401197 has 8 divisors (see below), whose sum is σ = 1641011845760. Its totient is φ = 1403523774000.

The previous prime is 1522140401179. The next prime is 1522140401293. The reversal of 1522140401197 is 7911040412251.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1522140401197 is a prime.

It is a super-2 number, since 2×1522140401197² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522140401147) 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, 63691929 + ... + 63715822.

It is an arithmetic number, because the mean of its divisors is an integer number (205126480720).

Almost surely, 2^{1522140401197} is an apocalyptic number.

It is an amenable number.

1522140401197 is a deficient number, since it is larger than the sum of its proper divisors (118871444563).

1522140401197 is a wasteful number, since it uses less digits than its factorization.

1522140401197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127408683.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 1522140401197 in words is "one trillion, five hundred twenty-two billion, one hundred forty million, four hundred one thousand, one hundred ninety-seven".