1207238457428 has 12 divisors (see below), whose sum is σ = 2112783184512. Its totient is φ = 603586119000.

The previous prime is 1207238457427. The next prime is 1207238457431. The reversal of 1207238457428 is 8247548327021.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1207238457428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207238457427) 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, 8195300 + ... + 8341307.

It is an arithmetic number, because the mean of its divisors is an integer number (176065265376).

Almost surely, 2^{1207238457428} is an apocalyptic number.

It is an amenable number.

1207238457428 is a deficient number, since it is larger than the sum of its proper divisors (905544727084).

1207238457428 is a wasteful number, since it uses less digits than its factorization.

1207238457428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16554862 (or 16554860 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 1207238457428 in words is "one trillion, two hundred seven billion, two hundred thirty-eight million, four hundred fifty-seven thousand, four hundred twenty-eight".