1972408503 has 16 divisors (see below), whose sum is σ = 2834455680. Its totient is φ = 1212813024.

The previous prime is 1972408483. The next prime is 1972408507. The reversal of 1972408503 is 3058042791.

It is not a de Polignac number, because 1972408503 - 2¹² = 1972404407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972408507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30328 + ... + 69746.

It is an arithmetic number, because the mean of its divisors is an integer number (177153480).

Almost surely, 2^1972408503 is an apocalyptic number.

1972408503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1972408503 is a deficient number, since it is larger than the sum of its proper divisors (862047177).

1972408503 is a wasteful number, since it uses less digits than its factorization.

1972408503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40718.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1972408503 is about 44411.8058966307. The cubic root of 1972408503 is about 1254.1003489770.

The spelling of 1972408503 in words is "one billion, nine hundred seventy-two million, four hundred eight thousand, five hundred three".