1351120427770 has 8 divisors (see below), whose sum is σ = 2432016770004. Its totient is φ = 540448171104.

The previous prime is 1351120427707. The next prime is 1351120427801. The reversal of 1351120427770 is 777240211531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1351120290129 + 137641 = 1162377^2 + 371^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67556021379 + ... + 67556021398.

Almost surely, 2^{1351120427770} is an apocalyptic number.

1351120427770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1351120427770 is a deficient number, since it is larger than the sum of its proper divisors (1080896342234).

1351120427770 is a wasteful number, since it uses less digits than its factorization.

1351120427770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135112042784.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 1351120427770 in words is "one trillion, three hundred fifty-one billion, one hundred twenty million, four hundred twenty-seven thousand, seven hundred seventy".