1302420573 has 32 divisors (see below), whose sum is σ = 1949696000. Its totient is φ = 859251888.

The previous prime is 1302420557. The next prime is 1302420583. The reversal of 1302420573 is 3750242031.

It is not a de Polignac number, because 1302420573 - 2⁴ = 1302420557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302420523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1197636 + ... + 1198722.

It is an arithmetic number, because the mean of its divisors is an integer number (60928000).

Almost surely, 2^1302420573 is an apocalyptic number.

It is an amenable number.

1302420573 is a deficient number, since it is larger than the sum of its proper divisors (647275427).

1302420573 is a wasteful number, since it uses less digits than its factorization.

1302420573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1302420573 is about 36089.0644517145. The cubic root of 1302420573 is about 1092.0698466977.

It can be divided in two parts, 1302 and 420573, that added together give a cube (421875 = 75³).

The spelling of 1302420573 in words is "one billion, three hundred two million, four hundred twenty thousand, five hundred seventy-three".