1202678954357 has 2 divisors, whose sum is σ = 1202678954358. Its totient is φ = 1202678954356.

The previous prime is 1202678954333. The next prime is 1202678954371. The reversal of 1202678954357 is 7534598762021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1141459328881 + 61219625476 = 1068391^2 + 247426^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202678954357 - 2¹⁴ = 1202678937973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202678954296 and 1202678954305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202678954317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601339477178 + 601339477179.

It is an arithmetic number, because the mean of its divisors is an integer number (601339477179).

It is a 1-persistent number, because it is pandigital, but 2⋅1202678954357 = 2405357908714 is not.

Almost surely, 2^{1202678954357} is an apocalyptic number.

It is an amenable number.

1202678954357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202678954357 is an equidigital number, since it uses as much as digits as its factorization.

1202678954357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 1202678954357 in words is "one trillion, two hundred two billion, six hundred seventy-eight million, nine hundred fifty-four thousand, three hundred fifty-seven".