1354920047 has 4 divisors (see below), whose sum is σ = 1459144680. Its totient is φ = 1250695416.

The previous prime is 1354920013. The next prime is 1354920101. The reversal of 1354920047 is 7400294531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1354920047 - 2¹² = 1354915951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1354919989 and 1354920016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354920947) 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, 52112297 + ... + 52112322.

It is an arithmetic number, because the mean of its divisors is an integer number (364786170).

Almost surely, 2^1354920047 is an apocalyptic number.

1354920047 is a deficient number, since it is larger than the sum of its proper divisors (104224633).

1354920047 is a wasteful number, since it uses less digits than its factorization.

1354920047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104224632.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1354920047 is about 36809.2386093491. The cubic root of 1354920047 is about 1106.5504594536.

The spelling of 1354920047 in words is "one billion, three hundred fifty-four million, nine hundred twenty thousand, forty-seven".