1497127242 has 64 divisors (see below), whose sum is σ = 3312731520. Its totient is φ = 448224000.

The previous prime is 1497127241. The next prime is 1497127267. The reversal of 1497127242 is 2427217941.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1497127242.

It is not an unprimeable number, because it can be changed into a prime (1497127241) 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, 463192 + ... + 466412.

It is an arithmetic number, because the mean of its divisors is an integer number (51761430).

Almost surely, 2^1497127242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497127242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656365760).

1497127242 is an abundant number, since it is smaller than the sum of its proper divisors (1815604278).

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

1497127242 is a wasteful number, since it uses less digits than its factorization.

1497127242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399.

The product of its digits is 56448, while the sum is 39.

The square root of 1497127242 is about 38692.7285416782. The cubic root of 1497127242 is about 1143.9830006480.

The spelling of 1497127242 in words is "one billion, four hundred ninety-seven million, one hundred twenty-seven thousand, two hundred forty-two".