1497120420 has 24 divisors (see below), whose sum is σ = 4191937344. Its totient is φ = 399232096.

The previous prime is 1497120403. The next prime is 1497120421. The reversal of 1497120420 is 240217941.

1497120420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1497120421) 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, 12475944 + ... + 12476063.

It is an arithmetic number, because the mean of its divisors is an integer number (174664056).

Almost surely, 2^1497120420 is an apocalyptic number.

1497120420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1497120420 is an abundant number, since it is smaller than the sum of its proper divisors (2694816924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1497120420 is a wasteful number, since it uses less digits than its factorization.

1497120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24952019 (or 24952017 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1497120420 is about 38692.6403854790. The cubic root of 1497120420 is about 1143.9812630393.

The spelling of 1497120420 in words is "one billion, four hundred ninety-seven million, one hundred twenty thousand, four hundred twenty".