1420010731 has 8 divisors (see below), whose sum is σ = 1568912544. Its totient is φ = 1278372480.

The previous prime is 1420010717. The next prime is 1420010737. The reversal of 1420010731 is 1370100241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420010731 - 2¹¹ = 1420008683 is a prime.

It is a super-2 number, since 2×1420010731² = 4032860952310308722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420010699 and 1420010708.

It is not an unprimeable number, because it can be changed into a prime (1420010737) 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, 1815480 + ... + 1816261.

It is an arithmetic number, because the mean of its divisors is an integer number (196114068).

Almost surely, 2^1420010731 is an apocalyptic number.

1420010731 is a deficient number, since it is larger than the sum of its proper divisors (148901813).

1420010731 is a wasteful number, since it uses less digits than its factorization.

1420010731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631781.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1420010731 is about 37683.0297481506. The cubic root of 1420010731 is about 1123.9936959559.

Adding to 1420010731 its reverse (1370100241), we get a palindrome (2790110972).

The spelling of 1420010731 in words is "one billion, four hundred twenty million, ten thousand, seven hundred thirty-one".